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Springfield, MO, United States of America

Rodger P Grantham

This inventor holds 36 USPTO granted patents, primarily in Vapor Recovery Systems. Top assignees: Vapor Systems Technologies, Inc., Dayco Products, Inc., Catlow, Inc.. Active years: 1988-2025.

USPTO Granted Patents = 36

% Patents Active = 77.8

Average Co-Inventor Count = 1.3

ph-index = 17

Forward Citations = 776(Granted Patents)

Company Filing History:

20 out of 20

Vapor Systems Technologies, Inc.

Years Active: 1988-2025

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Areas of Expertise:

Vapor Recovery

Fuel Storage

Dispensing Systems

Pressure-Vacuum Valve

Diagnostic Systems

Nozzle Mechanisms

Hose Assembly

Breakaway Coupling

Coaxial Hose

Venturi Pump

ORVR Compatibility

Fuel Dispensing

36 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12391540 - Pressure/vacuum (PV) valve for fuel storage tanks, in-line pressure-vacuum valve test unit, and combination thereof (2025-08-19),

2. 11795049 - Pressure/vacuum (PV) valve for fuel storage tanks, in-line pressure-vacuum valve test unit, and combination thereof (2023-10-24),

3. 8997804 - Nozzle interlock failsafe/lost motion mechanisms (2015-04-07),

4. 8434531 - Fuel dispensing nozzle hold open clip release assembly (2013-05-07),

5. 8286677 - Fuel dispensing nozzle hold open clip release assembly (2012-10-16),

6. 7509982 - Vapor recovery system with improved ORVR compatibility and performance (2009-03-31),

7. 7270154 - Fuel storage and dispensing system (2007-09-18),

8. 7174926 - Vapor recovery system with improved ORVR compatibility and performance (2007-02-13),

9. 7032630 - Control of A/L ratios in vacuum assist vapor recovery dispensers (2006-04-25),

10. 6953496 - Sub-atmospheric fuel storage system (2005-10-11),

11. 6835223 - Fuel storage and dispensing system (2004-12-28),

12. 6810922 - Vapor recovery system with improved ORVR compatibility and performance (2004-11-02),

13. 6608484 - Diagnostic fuel storage system (2003-08-19),

14. 6360789 - Vapor recovery line diagnostics (2002-03-26),

15. 6293996 - Fuel storage system with vent filter assembly (2001-09-25),

Title: The Inventor Profile of Rodger P Grantham

Introduction: Rodger P Grantham is a distinguished inventor based in Springfield, Missouri, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Rodger P Grantham holds several patents in the areas of technology and healthcare, showcasing his versatility and ingenuity in inventing solutions for complex problems.

Career Highlights: With a career spanning over two decades, Rodger P Grantham has established himself as a prominent figure in the world of inventions, with numerous successful projects that have made a significant impact.

Collaborations: Throughout his career, Rodger P Grantham has collaborated with leading industry experts, researchers, and institutions to further enhance his inventions and bring them to the market successfully.

Conclusion: Rodger P Grantham's passion for innovation and his dedication to creating solutions that improve lives have solidified his reputation as a respected inventor in Springfield, Missouri, and beyond.

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