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For the Inventor, By the Inventor

Waukegan, IL, United States of America

David F Haman

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.3

ph-index = 7

Forward Citations = 134(Granted Patents)


Location History:

  • Waukegan, IL (US) (1984 - 1995)
  • Buffalo Grove, IL (US) (1997 - 1998)

Company Filing History:

goldMedal12 out of 942 
 
Outboard Marine Corporation
 patents

Years Active: 1984-1998

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12 patents (USPTO):Explore Patents
1. 5737976 - Connecting rod and crankshaft assembly (1998-04-14),
2. 5692468 - Fuel-injected internal combustion engine with improved combustion (1997-12-02),
3. 5398645 - Combustion chamber for internal combustion engine (1995-03-21),
4. 5378178 - Tiller arm and steering bracket assembly (1995-01-03),
5. 5360358 - Hidden lower motor cover attachment means (1994-11-01),
6. 5350329 - Flushing system for outboard motor (1994-09-27),
7. 5256091 - Shift interlock system (1993-10-26),
8. 4946410 - Marine propulsion device with improved oil seal protection device (1990-08-07),
9. 4891026 - Marine propeller including fish line trap (1990-01-02),
10. 4831979 - Wrist pin lubrication system for two-cycle engines (1989-05-23),
11. 4763760 - Automatically forced fluid supply system (1988-08-16),
12. 4462346 - Dual fuel system for internal combustion engine (1984-07-31),

Title: The Innovative Contributions of David F. Haman

Introduction: David F. Haman is a notable inventor based in Waukegan, Illinois, with a remarkable portfolio of 12 patents. His work primarily focuses on advancements in internal combustion engines and related mechanical assemblies, demonstrating his expertise in the field of engineering and innovation.

Latest Patents: Among David's latest inventions is the "Connecting rod and crankshaft assembly." This invention features a crankshaft that includes axially spaced end bearing surfaces and a crank pin extending in eccentric relation to its axis. It is designed with thoughtful engineering, including side surfaces and a bearing assembly, allowing for improved functionality in mechanical applications. Another significant invention is the "Fuel-injected internal combustion engine with improved combustion." This innovative engine design incorporates a unique cylinder head and piston arrangement that enhances fuel injection and combustion efficiency, showcasing David's commitment to enhancing engine performance.

Career Highlights: David has made significant contributions to the field of engineering through his inventive solutions. His patents reflect a deep understanding of mechanical systems and have been essential in the development of more efficient engine designs. Working with Outboard Marine Corporation, David has been able to bring his innovative ideas to fruition, pushing the boundaries of what is possible in engine technology.

Collaborations: Throughout his career, David has collaborated with several distinguished colleagues, including Chester G. DuBois and Dale M. Needham. These teamwork experiences have likely enriched his innovative processes, allowing for the exchange of creative ideas and technological expertise.

Conclusion: David F. Haman stands out as a significant figure in the world of invention, particularly within the engineering landscape. His dedication to innovation and collaborative spirit has not only resulted in valuable patents but has also contributed to advancements in internal combustion engine technology, showcasing the critical role of inventors in driving technological progress.

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