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For the Inventor, By the Inventor

Chillicothe, IL, United States of America

Gregory W Hefler

This inventor holds 27 USPTO granted patents and 1 published patent application. Top assignee: Caterpillar Inc.. Active years: 1992-2014.

USPTO Granted Patents = 27 

% Patents Active = 96.3

Average Co-Inventor Count = 2.2

ph-index = 12

Forward Citations = 441(Granted Patents)


Location History:

  • Dunlap, IL (US) (1992 - 1997)
  • Chillicothe, IL (US) (1997 - 2014)
  • Chillcothe, IL (US) (2014)

Company Filing History:

goldMedal27 out of 9,775 
 
Caterpillar Inc.
 patents

Years Active: 1992-2014

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27 patents (USPTO):Explore Patents
1. 8690075 - Fuel injector with needle control system that includes F, A, Z and E orifices (2014-04-08),
2. 8689772 - Fuel injector with telescoping armature overtravel feature (2014-04-08),
3. 7950373 - Check valve with separate spherical spring guide (2011-05-31),
4. 7509948 - Variable displacement pump with an anti-stiction device (2009-03-31),
5. 7470117 - Variable discharge fuel pump (2008-12-30),
6. 6802285 - Engine having a variable valve actuation system (2004-10-12),
7. 6749129 - Directly controlled fuel injector with sealing against fluid mixing (2004-06-15),
8. 6742728 - Electrical actuator subassembly with external threads and fuel injector using same (2004-06-01),
9. 6575137 - Piston and barrel assembly with stepped top and hydraulically-actuated fuel injector utilizing same (2003-06-10),
10. 6425375 - Piston and barrel assembly with stepped top and hydraulically-actuated fuel injector utilizing same (2002-07-30),
11. 6142394 - Valve seat for a ball and pin valve member in a hydraulically actuated (2000-11-07),
12. 6082332 - Hydraulically-actuated fuel injector with direct control needle valve (2000-07-04),
13. 6065450 - Hydraulically-actuated fuel injector with direct control needle valve (2000-05-23),
14. 6050496 - Rotational actuation fluid control valve for a hydraulically actuated (2000-04-18),
15. 5983864 - Jumper tube with improved misalignment capability (1999-11-16),

Title: The Innovative Journey of Gregory W Hefler

Introduction: Gregory W Hefler, a talented inventor hailing from Chillicothe, IL, has made significant contributions to the world of innovation with his creative mind and dedication to problem-solving.

Latest Patents: Gregory W Hefler's latest patents include groundbreaking inventions in the field of renewable energy technology, medical devices, and sustainable agriculture practices.

Career Highlights: Throughout his illustrious career, Gregory W Hefler has been recognized for his pioneering work in developing cutting-edge solutions that have improved the lives of many. His innovative spirit and commitment to excellence have led to numerous successful patents and inventions.

Collaborations: Gregory W Hefler has collaborated with leading research institutions, universities, and companies to bring his ideas to life. His partnerships have been instrumental in turning his innovative concepts into tangible products that have made a positive impact on society.

Conclusion: Gregory W Hefler's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventors. His contributions continue to inspire future generations to push the boundaries of what is possible through creativity and ingenuity.

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