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USPTO Patent Rankings Data through Dec 31, 2025
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Bernard Johnson — 15 Patents

CEClearflame Engines: 6 patents #1 of 4Top 25%
CACnh America: 3 patents #177 of 777Top 25%
Stanford University: 3 patents #905 of 5,197Top 20%
HTHr Textron: 2 patents #19 of 83Top 25%
Stanford, CA: #118 of 1,454 inventorsTop 9%
California: #40,789 of 386,348 inventorsTop 15%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Bernard Johnson has been granted 15 US patents while listed as an inventor at Clearflame Engines. The first was granted in 1985 and the most recent in January 2025. Bernard Johnson ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Bernard Johnson in Stanford, CA, US.

Patents per Year

Patents granted per year, 1985 to 2025Bar chart with a peak of 4 patents in 2024.peak 41985: 1 patents19852006: 1 patents20062007: 2 patents20072008: 2 patents20082018: 1 patents20182022: 1 patents20222023: 2 patents20232024: 4 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12196125 Stoichiometric high-temperature direct-injection compression-ignition engine Christopher F. Edwards, Gregory B. Roberts 2025-01-14
11976606 Full agnostic compression ignition engine Julie BLUMREITER, Robert Schanz 2024-05-07
11959434 Fuel agnostic compression ignition engine Julie BLUMREITER, Robert Schanz 2024-04-16
11952954 Fuel agnostic compression ignition engine Julie BLUMREITER, Robert Schanz 2024-04-09
11952936 Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture Julie BLUMREITER 2024-04-09
11674462 Systems and methods of cylinder deactivation in high-temperature mixing-controlled engines Julie BLUMREITER, Robert Schanz, Manohar VITTAL 2023-06-13
11542856 Stoichiometric high-temperature direct-injection compression-ignition engine Christopher F. Edwards, Gregory B. Roberts 2023-01-03
11428186 Fuel agnostic compression ignition engine Julie BLUMREITER, Robert Schanz 2022-08-30
9903262 Stoichiometric high-temperature direct-injection compression-ignition engine Christopher F. Edwards, Gregory B. Roberts 2018-02-27
7458394 Methods and apparatus for mechanically adjusting a null offset in a torque motor of a servovalve Muchlis Achmad 2008-12-02 $37,535,000
7357214 Four-wheel drive combine with slip control Yun-Ren Ho, Branko J. Horvat, Jr., John E. Bundy 2008-04-15 $46,606,000
7210500 Methods and apparatus for mechanically adjusting a null offset in a torque motor of a servovalve Muchlis Achmad 2007-05-01 $53,840,000
7172046 Four-wheel drive combine with slip control Yun-Ren Ho, Branko J. Horvat, Jr., John E. Bundy 2007-02-06 $72,327,000
7121374 Four-wheel drive combine with slip control Yun-Ren Ho, Branko J. Horvat, Jr., John E. Bundy 2006-10-17 $18,118,000
4534684 Apparatus for milling a gear for a double enveloping worm gear drive — 1985-08-13

Frequent Collaborators

Julie BLUMREITER6 shared
Robert Schanz5 shared
Branko J. Horvat, Jr.3 shared
Yun-Ren Ho3 shared
Gregory B. Roberts3 shared
John E. Bundy3 shared

Nearby-Ranked Inventors

Naoya Kasahara15
Aaron Larry Snyder15
Avishay Meron15
Stuart Hatfield15
Satoshi KUNIYASU15
Ashton Mason15
Theodore Yuchiang Cheng15
Richard Sharbaugh15
Rajen Bhatt15