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For the Inventor, By the Inventor

Edina, MN, United States of America

Richard D Hembree

This inventor holds 13 USPTO granted patents. Top assignees: Recovery Engineering, Inc., The Procter Gamble Company. Active years: 1988-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Richard D Hembree. Retrieved from https://idiyas.com/inventor/richard-d-hembree

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 12

Forward Citations = 559(Granted Patents)


Location History:

  • Minneapolis, MN (US) (1988 - 1995)
  • Edina, MN (US) (1996 - 2003)

Company Filing History:

goldMedal12 out of 23 
 
Recovery Engineering, Inc.
 patents
silverMedal1 out of 17,173 
 
The Procter Gamble Company
 patents

Years Active: 1988-2003

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13 patents (USPTO):Explore Patents
1. 6565749 - Microorganism filter and method for removing microorganism from water (2003-05-20),
2. 6241103 - Filter cartridge for water treatment device (2001-06-05),
3. 5785844 - End of life mechanism for water treatment cartridge (1998-07-28),
4. D377515 - Water filter cartridge (1997-01-21),
5. 5536394 - End of life mechanism for water treatment cartridge (1996-07-16),
6. 5527451 - Water treatment device with volume totalization valve (1996-06-18),
7. 5525214 - Filter cartridge for water treatment device (1996-06-11),
8. D358868 - Faucet mounted water treatment device (1995-05-30),
9. 5268093 - Portable water purification system (1993-12-07),
10. 5106500 - Portable water purification system including a filter cleaning mechanism (1992-04-21),
11. 4945725 - Differential-area piston type mixed-phase motors (1990-08-07),
12. 4902207 - Energy recovery apparatus (1990-02-20),
13. 4793153 - Energy recovery apparatus (1988-12-27),

Title: The Inventor Richard D Hembree: Pioneering Innovations in Edina, MN

Introduction: Richard D Hembree is a distinguished inventor based in Edina, MN, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Richard D Hembree holds several patents in the areas of technology and engineering, showcasing his continuous commitment to pushing the boundaries of what is possible.

Career Highlights: With a career spanning over two decades, Richard D Hembree has established himself as a visionary inventor, with a keen eye for identifying gaps in the market and developing solutions that address them effectively.

Collaborations: Throughout his career, Richard D Hembree has collaborated with leading companies and research institutions to bring his inventions to life, demonstrating his ability to work across disciplines and industries seamlessly.

Conclusion: Richard D Hembree's passion for innovation and his relentless drive to create have solidified his position as a respected inventor in Edina, MN, and beyond.

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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