Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
ML

Michael C. Long — 22 Patents

Caterpillar: 19 patents #204 of 8,398Top 3%
CGChrysler Group: 1 patents #1,051 of 2,641Top 40%
Daimlerchrysler Ag: 1 patents #1,774 of 4,854Top 40%
Germantown Hills, IL: #5 of 39 inventorsTop 15%
Illinois: #3,329 of 84,256 inventorsTop 4%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Michael C. Long has been granted 22 US patents while listed as an inventor at Caterpillar. The first was granted in 1992 and the most recent in November 2019. Michael C. Long ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Michael C. Long in Germantown Hills, IL, US.

Patents per Year

Patents granted per year, 1992 to 2019Bar chart with a peak of 4 patents in 1996.peak 41992: 1 patents19921995: 2 patents1996: 4 patents19961997: 3 patents2000: 2 patents20002003: 1 patents2004: 1 patents20042006: 2 patents2011: 3 patents20112012: 1 patents2013: 1 patents20132019: 1 patents2019

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10473073 Fuel injector having valve stack with vented back-up plate for check seal retention Derik Warne 2019-11-12 $28,152,000
8436704 Protected powder metal stator core and solenoid actuator using same Jayaraman K. Venkataraghavan, Saboor Sheikh, Daniel R. Ibrahim, Nadeem N. Bunni 2013-05-07 $49,685,000
8291889 Pressure control in low static leak fuel system Scott F. Shafer, Jeffrey DePayva, Daniel R. Puckett, Amy Johanson, Kenneth C. Adams +4 more 2012-10-23 $36,830,000
8056537 Engine having fuel injector with actuator cooling system and method Jayaraman K. Venkataraghavan, Shriprasad Lakhapati, Stephen R. Lewis, Amy M. Hess 2011-11-15 $34,236,000
7950373 Check valve with separate spherical spring guide Gregory W. Hefler, Senthilkumar Rajagopalan, Donald A. Fuller 2011-05-31 $25,179,000
7950596 Distributed stiffness biasing spring for actuator system and fuel injector using same Jay Venkataraghavan, Zhenlong Xu, Stephen R. Lewis 2011-05-31 $25,179,000
7064658 Integrated vehicle power distribution and gateway system Gary J. Burlak, Rod S Fraser, Michael A. Cox, Marian Mirowski, Bradley S. Chupp +4 more 2006-06-20 $54,221,000
7021557 Thin film coatings for fuel injector components Scott F. Shafer, Jay E. Tomaseski, Chuong Q. Dam 2006-04-04 $65,165,000
6715693 Thin film coating for fuel injector components Chuong Q. Dam, Scott F. Shafer, Jay E. Tomaseski 2004-04-06 $29,079,000
6655603 Reverse flow valve for fuel injectors Xinshuang Nan, Hrishikesh D. Thaker, Sudhindra K. Ayanji, Victor I. Yacoub, Goudarz Haji 2003-12-02 $9,654,000
6161379 Method for supporting a ceramic liner cast into metal Michael H. Haselkorn 2000-12-19 $18,572,000
6054402 Mullite-zirconia engine part Michael H. Haselkorn, Virgil R. Hester 2000-04-25 $23,099,000
5690724 Process and composition for slip casting a ceramic powder Virgil R. Hester, Kurtis C. Kelley 1997-11-25 $53,862,000
5635120 Process for forming a mullite-zirconia engine part Michael H. Haselkorn, Virgil R. Hester 1997-06-03 $14,396,000
5593745 Insulated port liner assembly Michael H. Haselkorn 1997-01-14 $14,346,000
5581881 Method of making a cylinder barrel having ceramic bore liners Donald H. Sherman 1996-12-10 $23,517,000
5571756 Composition and process for forming diesel engine elements Michael H. Haselkorn 1996-11-05 $28,935,000
5571755 Composition and process for forming diesel engine elements Michael H. Haselkorn 1996-11-05 $28,935,000
5552196 Insulated port linear assembly Michael H. Haselkorn 1996-09-03 $16,455,000
5404716 Internally insulated gas manifold Alan W. Wells, Michael H. Haselkorn, Robert L. Miller, Leslie C. Morris 1995-04-11 $12,076,000
5401161 Injection molding valve 1995-03-28
5081565 Daytime running light system Ali M. Nabha 1992-01-14 $9,252,000