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USPTO Patent Rankings Data through Dec 31, 2025
JH

John V. Heyse — 27 Patents

Chevron: 26 patents #130 of 4,788Top 3%
Crockett, CA: #1 of 15 inventorsTop 7%
California: #19,967 of 386,348 inventorsTop 6%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
John V. Heyse has been granted 27 US patents while listed as an inventor at Chevron. The first was granted in 1988 and the most recent in May 2021. John V. Heyse ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list John V. Heyse in Crockett, CA, US.

Patents per Year

Patents granted per year, 1988 to 2021Bar chart with a peak of 5 patents in 1997.peak 51988: 1 patents19881990: 1 patents1994: 1 patents19941995: 3 patents1996: 2 patents19961997: 5 patents1998: 4 patents19981999: 2 patents2000: 1 patents20002001: 2 patents2003: 2 patents20032004: 1 patents2018: 1 patents20182021: 1 patents2021

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11000839 Regeneration of an ionic liquid catalyst by hydrogenation using a macroporous noble metal catalyst Hye Kyung Cho Timken, Jeff William Johns, Rahul Shankar Bhaduri, Viorel Duma 2021-05-11 $503,649,000
9956553 Regeneration of an ionic liquid catalyst by hydrogenation using a macroporous noble metal catalyst Hye Kyung Cho Timken, Jeff William Johns, Rahul Shankar Bhaduri, Viorel Duma 2018-05-01 $179,338,000
RE38532 Hydrodealkylation processes Bernard F. Mulaskey, Robert A. Innes, Daniel P. Hagewiesche, William J. Cannella, David C. Kramer 2004-06-08
6602483 Increasing production in hydrocarbon conversion processes Daniel P. Hagewiesche, Paul M. Spindler 2003-08-05
6548030 Apparatus for hydrocarbon processing Bernard F. Mulaskey, Robert A. Innes, Daniel P. Hagewiesche, Gale L. Hubred, Steven Clay Moore +4 more 2003-04-15
6274113 Increasing production in hydrocarbon conversion processes Daniel P. Hagewiesche, Paul M. Spindler 2001-08-14
6258256 Cracking processes Alan G. Kunze 2001-07-10
6019943 Diffusion barriers for preventing high temperature hydrogen attack Charles D. Buscemi 2000-02-01 $360,239,000
5866743 Hydrodealkylation processes Bernard F. Mulaskey, Robert A. Innes, Daniel P. Hagewiesche, William J. Cannella, David C. Kramer 1999-02-02 $93,341,000
5863418 Low-sulfur reforming process Bernard F. Mulaskey, Robert A. Innes, Daniel P. Hagewiesche, Gale L. Hubred, Steven Clay Moore +5 more 1999-01-26 $313,912,000
5849969 Hydrodealkylation processes Bernard F. Mulaskey, Robert A. Innes, Daniel P. Hagewiesche, William J. Cannella, David C. Kramer 1998-12-15 $56,908,000
5833838 Cracking processes Alan G. Kunze 1998-11-10 $182,583,000
5807842 Hydrocarbon processing in equipment having increased halide stree-corrosion cracking resistance Charles D. Buscemi 1998-09-15 $164,683,000
5723707 Dehydrogenation processes, equipment and catalyst loads therefor Paul G. Johnson, Bernard F. Mulaskey 1998-03-03 $146,131,000
5676821 Method for increasing carburization resistance Bernard F. Mulaskey, Robert L. Hise, Steven E. Trumbull 1997-10-14 $88,996,000
5674376 Low sufur reforming process Bernard F. Mulaskey, Robert L. Hise, Steven E. Trumbull 1997-10-07 $252,867,000
5658452 Increasing production in hydrocarbon conversion processes Daniel P. Hagewiesche, Paul M. Spindler 1997-08-19 $214,720,000
5648178 Reactor system steel portion Alan G. Kunze 1997-07-15 $109,090,000
5593571 Treating oxidized steels in low-sulfur reforming processes Bernard F. Mulaskey 1997-01-14 $48,791,000
5575902 Cracking processes Alan G. Kunze, Steven E. Trumbull 1996-11-19 $66,272,000
5516421 Sulfur removal Warren E. Brown, Dennis L. Holtermann 1996-05-14
5413700 Treating oxidized steels in low-sulfur reforming processes Bernard F. Mulasky 1995-05-09 $31,039,000
5405525 Treating and desulfiding sulfided steels in low-sulfur reforming processes Bernard F. Mulaskey 1995-04-11 $29,092,000
5406014 Dehydrogenation processes, equipment and catalyst loads therefor Paul G. Johnson, Bernard F. Mulaskey 1995-04-11 $29,092,000
5279998 Zeolitic catalyst Bernard F. Mulaskey 1994-01-18 $136,704,000