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 Expert  728888

Expert in Analysis, FEA, CFD, Medical Devices, Heat Transfer, Elastomers, Diffusion, Solar, Coupled Systems

Available for your Consulting and Expert Witness Needs

California (CA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise:

Listed with other top experts in: 

Real invention and innovation most often springs from cross-fertilization and analogies from broad experience, quite apart from an entire career in a narrow field. See, for instance, Holyak and Thagard, "Mental Leaps: Analogy in Creative Thought".

Bill is a broad technologist and innovation leader with extensive experience in engineering and engineering management. He has strengths in multiple technical disciplines, inventions in over a dozen different fields, and well-honed ability regarding intellectual property strategy.

Technologies include computational mechanics in many forms, such as heat transfer, viscous fluid dynamics, nonlinear bistable elastomeric structures, and multi-coupled chaotic systems.

Products based on Bill's analyses and leadership include solar PVAC modules, circuit protection devices based on over-current (Raychem and Littelfuse) and over-voltage transients (Defense Special Weapons Agency). Bill's applicator designs and analyses of non-Newtonian cascade stability were key to Polaroid's manufacture of photographic film. The Duracell battery tester, of which billions were sold, was based on his design and original finite element code.

His patents range from solar PV and solar-thermal heat exchangers to pulmonary drug delivery devices, the SX-70 camera, coronary angiography, sports biofeedback, drug packaging systems, endobronchial therapy, and quantum tunneling polymeric materials. Further innovation includes novel x-ray flow imaging, bistable hyperelastic valves, and super-vortex pulmonary drug delivery.

Bill has a passion for driving multidisciplinary teams to collective focus and innovation, including Raychem's Computer Modeling Group, which he founded and staffed, Nektar's Edison R&D Team, and other assemblies of talented and creative people.


air-cooled electronics thermometry


biomedical product development


device inventing


device product development


electrical phenomenon










medical device product development


new product development


new product development management


pharmaceutical product development


product invention


rapid product development


research and development


research management


strategic research planning




technology development


technology innovation


technology management

Show Secondary and Basic Areas of Expertise
Bill Expert may consult nationally and internationally, and is also local to the following cities: San Jose, California;  San Francisco, California;  Sacramento, California;  Oakland, California;  Stockton, California;  Fremont, California;  Modesto, California;  Salinas, California;  Santa Rosa, California;  and Hayward, California.

Year   Degree   Subject   Institution   Honors
1980   MSME   Mechanical Engineering, Specialty in Computational Mechanics   Tufts University   3.8/4.0
1971   BSME   Mechanical Engineering   Tufts University   Multiple peer reviewed papers

Work History:
Years   Employer   Department   Title   Responsibilities

2013 to




Engineering Analysis Consulting


Principal Consultant


As a consultant for client companies, Bill • Produced CFD-based design of advanced dry powder inhaler with novel hyperelastic valve system. This blockbuster product will release in 2015. Bill is principal or co-inventor on four related PCT patent applications. • Created a novel heat dissipation concept for 7% photovoltaic module efficiency enhancement. • Designed forced convection cooling systems in electronics enclosures with multiple power supplies. • Performed combined CFD/FEA stress analysis on searchlight deployed from aircraft at flight speed. • Redesigned air impingement methods in hydroponics enclosure for high-efficiency plant growth. • Created and implemented corrective action and physics-based quality strategy for PV modules. • Developed FEA diffusion analysis methods & design of sustained-release drug-delivery product.

2012 to 2013


SEA Medical






Bill designed electrochemical impedance spectroscopy (EIS) sensor flow cells using novel CFD techniques to fully couple fluid flow and diffusion of aqueous drug solutions. Detection times, crucial to product, were improved by a factor of 15. He also developed novel multi-derivative drug signature detection algorithms for EIS and wrote executing software in multiple programming languages. He conceived multiple EIS products and manufacturing methods. Six PCT patent applications filed with Bill as principal or co-inventor.

2008 to 2012


SolarInfra, Inc.



Chief Scientist


\Leads the integration of novel photovoltaics, electronics, structural and thermal design to produce ultimately reliable PVAC modules. He leads the SI Product Development Team (including scientists from National Labs and electronics manufacturers) for development of the PVAC solar module. Advises SolarInfra with regard to intellectual property strategy. Provides technical insight and assists in developing the corporate vision. Note: SolarInfra, a start-up, was acquired by Solar Semiconductor, an international solar company in 2012.

2008 to 2010


Hospira, Inc.


Global Device R&D


Systems Engineering Manager, Global Device R&D


Bill led the Systems Engineering Team made up of engineers (all advanced degree) and technicians focusing on development of IV infusion systems electromechanical interfacing, software algorithms, etc. He invented elastomeric valve having bistable “snap-through” behavior, and conceived of, and personally implemented, novel non-destructive failure investigation techniques.

1999 to 2007


Nektar Therapeutics


Device R&D


Research Fellow


Bill led the Technical Team for endobronchial therapy concept resulting in $500MM (est.) product, and led the “Edison” R&D Team having responsibility for the physics of aerosols and the development of liquid and dry powder pulmonary drug delivery devices. Bill left Nektar as the most prolific inventor in the company's history.

Career Accomplishments:

American Solar Energy Society (ASES), American Association for Respiratory Care (AARC)

Publications and Patents Summary

Bill has has 89 worldwide patents (issued or pending) in a dozen different fields

Selected Publications and Publishers  
 - Expert Seminar Series  
 - Presented at ASME, Nektar, Hospira and other venues  
 - Society of Manufacturing Engineers Annual Meeting, Chicago,17-19 September, 1996.  
 - Hospira, Inc., Internal Publication  
 - Defense Special Weapons Agency, Alexandria, VA.  

Government Experience:
Years   Agency   Role   Description
1996 to 1999   Defense Special Weapons Agency   Co-Investigator, SBIR, EMP and HPM Suppression   Bill derived original finite element methods to successfully model nonlinear spatially indeterminate (chaotic) systems with quantum tunneling and regenerative avalanche effects. Purpose: Protect sensitive electronic circuits from threats of High Power Microwave (HPM) and Electromagnetic Pulse (EMP) from nuclear detonation. Based on these analyses, he invented semiconducting materials and design applications for quantum tunneling varistor devices.

Consulting Services:
Selected Consulting Examples:
  • PRESENT: Bill has been responsible for the fluid dynamics of a novel pulmonary delivery device for smoking cessation in concert with a truly international team. The design employs novel methods of vortex generation for efficient drug extraction and appropriate lung delivery.On the same project, Bill employed creative nonlinear finite element analysis techniques to create a novel pressure-activated valve made of hyperelastic material. The valve was designed completely in model space and performed with precision on first molded article. On behalf of the client company, four patents are being filed with Bill as sole or co-inventor. This blockbuster product is expected to release in 2015.
  • 2013 to PRESENT: Bill developed novel diffusion analysis methods to redesign a sustained-release drug-delivery product. The result: 70% less (expensive) drug required, more uniform release rate over time, more streamlined production methods, and better shelf life.The diffusion analysis employs nonlinear FEA with unique methods to handle Fick's Second Law and Higuchi Principles.
  • RECENTLY: For a client company, Bill created and implemented corrective action and physics-based quality strategy for Photovoltaic Solar Modules.This project had some international intrigue and tensions, as the modules were manufactured off-shore with high defect rate. The various solutions are too numerous to mention, but ranged from quantum mechanical analysis to design of test-and-repair strategies where Bill supervised and engaged hands-on. Boardroom meetings evolved from contentious to supportive as the collective project emerged with success.
  • NONLINEAR MULTICOUPLED SYSTEM ANALYSIS AND DESIGN: As a consultant under SBIR Contract for Defense Special Weapons Agency, Bill was co-author of published EMP and HPM Suppression Techniques.He derived original finite element methods to successfully model nonlinear spatially indeterminate (chaotic) systems with quantum tunneling and regenerative avalanche effects. Purpose: Protect sensitive electronic circuits from threats of High Power Microwave (HPM) and Electromagnetic Pulse (EMP) from nuclear detonation.Based on the insight from the modeling techniques, he invented semiconducting materials and design applications for quantum tunneling varistor devices.
  • Consultant for Avery Research, Pasadena, CA (research arm of Avery Label).Bill Designed the Duracell on-board alkaline battery tester based on coupled, nonlinear, transient thermoelectric software employing the finite element method. He developed this software from derivation to code and post-processing imagery. Billions of Duracell batteries using this on-board tester have been sold.
Click the green button above to contact Bill Expert for a free initial screening call regarding your expert consulting needs.  Bill Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Bill Expert is free.

Expert Witness:
Expert Witness Experience Summary:
Bill has performed in the courtroom as "subject expert", advising counsel with regard to technology and preparing expert witnesses.
Click the green button above to contact Bill Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Bill Expert is free.

International Experience:
Years   Country / Region   Summary
1987 to 1987   Germany   Dates are approximate. Bill designed a heating system for mullions (window separations) used in large expanses of glass. Purpose: Interrupt thermally-driven cold rush of air typical of such structures in cold weather. Designs, based on CFD, introduced flow checking eddies using Raychem conductive polymer heaters. Sales exceeded $100 million.
1987 to 1987   Lyon, France   Dates are approximate. Bill designed third rail heaters for elevated trains in Lyon and other areas in Europe.

Market Research:
Bill is a visionary with regard to the interplay between technology and business.

Click the green button above to contact Bill Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Bill Expert is free.

Additional Skills and Services:

Bill has authored "Invention, Innovation and Disruptive Technologies", a three-part series presented in multiple venues.

Supplier and Vendor Location and Selection

Bill is expert at conceiving of, and locating manufacturers for materials, devices, and novel measurement techniques. Examples are: High thermal conductivity potting compounds for controlling temperatures of key electronic components; -Novel techniques for X-ray movies using fluids containing large atomic nuclei for internal flow visualization; -Novel material constructs for creating materials for protecting electronic circuits against EMP from nuclear detonation; -Novel hyperelastic material constructs having nonlinear snap-through behavior.

Other Skills and Services

Bill is an inventor, in the sense of the ultimate problem solver. He is also an innovator, as on who can see clearly the play of an invention on intended markets or the development of totally new markets. Such expertise extends to the understanding of patent law from the inventor's perspective, the ability to draft patent applications, and the ability to provide insight on intellectual property to the highest levels of management.


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