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Windsor, CT, United States of America

Stanadyne Automotive Corp.

USPTO Granted Patents = 76

Trademarks = 7

Forward Citations = 1,696

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30 inventors (with patents filed for the assignee):

Leon P Janik (35 out of 52 patents)

Ilija Djordjevic (16 out of 44 patents)

M Craig Maxwell (11 out of 11 patents)

4. Michael J Williams (9 out of 20 patents)

5. William W Kelly (8 out of 12 patents)

6. David H Hodgkins (8 out of 8 patents)

7. Kenneth H Klopfer (7 out of 11 patents)

8. Robert William Zeiner (3 out of 6 patents)

9. Larry R Cote (2 out of 2 patents)

10. David A Chace (2 out of 3 patents)

11. Robert R Winkler (2 out of 2 patents)

12. Richard E Atwood (2 out of 2 patents)

13. Felix Libfeld (1 out of 2 patents)

14. Michael J O'Brien (1 out of 22 patents)

15. Richard E Vanderpoel (1 out of 22 patents)

Core Competencies:

Gasoline Direct Injection

Supply Pump

Common Rail Injector

Pressure Relief Valve

Fuel Filter Assembly

Hydraulic Pressure Pump

Servo Controlled Injector

Filter Cartridge

Fuel Injection Pump

Dual Profile Cam Ring

Filter Module

Calibration System

76 patents: Sort by Forward Citations

1. 6494182 - Self-regulating gasoline direct injection system (2002-12-17),

2. 6358024 - High capacity supply pump with simultaneous directly actuated plungers (2002-03-19),

3. 6345609 - Supply pump for gasoline common rail (2002-02-12),

4. 6261069 - Shaft seal with pressure equalizing shuttle (2001-07-17),

5. 6227806 - Lift pump guard (2001-05-08),

6. 6187188 - Filter cartridge retention system (2001-02-13),

7. 6183212 - Snap-in connection for pumping plunger sliding shoes (2001-02-06),

8. D435631 - Filter cartridge (2000-12-26),

9. 6125822 - Two stage pressure relief valve (2000-10-03),

10. 6116217 - Full authority rail pressure-reduction valve (2000-09-12),

11. 6113361 - Intensified high-pressure common-rail supply pump (2000-09-05),

12. 6062498 - Fuel injector with at least one movable needle-guide (2000-05-16),

13. 6048455 - Filter assembly with conformal cartridge support structure (2000-04-11),

14. 6027312 - Hydraulic pressure supply pump with simultaneous directly actuated (2000-02-22),

15. 6024298 - Servo controlled common rail injector (2000-02-15),

Stanadyne is a global leader in the design, development, and manufacture of fuel management systems for diesel and gasoline engines. With over 140 years of experience, Stanadyne partners with leading automotive manufacturers to deliver innovative solutions that improve fuel efficiency, performance, and emissions. Their products range from common rail components and pumps to fuel injection systems and filtration technologies.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

76 Patents

#3 in Windsor, CT

#112 in Connecticut

#4,684 in US

#9,625 in the World

Windsor, CT, United States of America

Stanadyne Automotive Corp.

Forward Citations = 1,696

30 inventors:

Leon P Janik (35 out of 52 patents)

Ilija Djordjevic (16 out of 44 patents)

M Craig Maxwell (11 out of 11 patents)

4. Michael J Williams (9 out of 20 patents)

5. William W Kelly (8 out of 12 patents)

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