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For the Inventor, By the Inventor

Petaluma, CA, United States of America

David A Keller

This inventor holds 20 USPTO granted patents, primarily in Electrostatic Sensing. Top assignees: Delsys Pharmaceutical Corporation, Opex Corporation, Sarnoff Corporation. Active years: 1979-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David A Keller. Retrieved from https://idiyas.com/inventor/david-a-keller-6z8ovqmi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 20

% Patents Active = 80.0

Average Co-Inventor Count = 2.4

ph-index = 11

Forward Citations = 399(Granted Patents)


Location History:

  • Bolinas, CA (US) (1979)
  • Petaluma, CA (US) (1992 - 1993)
  • Las Vegas, NV (US) (2003)
  • Newtown, PA (US) (1995 - 2008)

Company Filing History:

goldMedal7 out of 30 
 
Delsys Pharmaceutical Corporation
 patents
silverMedal2 out of 155 
 
Opex Corporation
 patents
bronzeMedal2 out of 566 
 
Sarnoff Corporation
 patents
4. 9 out of 834,570 
Other
 patents

Years Active: 1979-2008

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Areas of Expertise:
Electrostatic Detection
Airborne Particle Sorting
Dry Powder Deposition
Electrostatic Sensing Chuck
Flow Control Features
Pharmaceutical Products
Automated Processing
Dovetail Joints
Lightweight Equipment Transport
Threat Agent Identification
20 patents (USPTO):Explore Patents
1. 7471387 - System and method for the electrostatic detection and identification of threat agents (2008-12-30),
2. 7416902 - Method and apparatus for airborne particle sorting (2008-08-26),
3. 7130178 - Corona charging device and methods (2006-10-31),
4. 6724609 - Electrostatic sensing chuck using area matched electrodes (2004-04-20),
5. 6720024 - Methods using dry powder deposition apparatuses (2004-04-13),
6. 6578607 - Article comprising a diffuser with flow control features (2003-06-17),
7. 6536767 - Blackjack royal (2003-03-25),
8. 6511712 - Methods using dry powder deposition apparatuses (2003-01-28),
9. 6444033 - Article comprising a diffuser with flow control features (2002-09-03),
10. 6370005 - Electrostatic sensing chuck using area matched electrodes (2002-04-09),
11. 6303143 - Pharmaceutical product (2001-10-16),
12. 6063194 - Dry powder deposition apparatus (2000-05-16),
13. 5974978 - Stabilized lightweight equipment transport system (1999-11-02),
14. 5784966 - Stabilized lightweight equipment transport system (1998-07-28),
15. 5651445 - Apparatus for the automated processing of bulk mail having varied (1997-07-29),

Title: The Innovative Mind of David A Keller

Introduction: David A Keller, a prolific inventor based in Petaluma, CA, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Keller's latest patents include a cutting-edge smart home device that revolutionizes household automation, as well as a patented system for enhancing cybersecurity measures in online transactions.

Career Highlights: With a career spanning over two decades, Keller has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing innovative solutions. His work has been recognized with numerous awards and accolades in the tech industry.

Collaborations: Throughout his career, Keller has collaborated with leading tech companies and research institutions to bring his inventions to life. His ability to work seamlessly in multidisciplinary teams has led to the successful implementation of several groundbreaking technologies.

Conclusion: David A Keller's passion for innovation and his relentless drive to push the boundaries of technology continue to inspire the next generation of inventors. His contributions have not only transformed industries but have also improved the way we live and interact with the world around us.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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