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USPTO Patent Rankings Data through Dec 31, 2025
JC

James R. Campbell — 25 Patents

UNUnknown: 28 patents #108 of 83,584Top 1%
UFUS Air Force: 4 patents #1,666 of 16,312Top 15%
Basf Se: 3 patents #4,656 of 13,826Top 35%
Boston Scientific Scimed: 1 patents #2,324 of 3,579Top 65%
ATAT&T: 1 patents #10,636 of 18,772Top 60%
Abbott: 1 patents #5,153 of 5,509Top 95%
Orange, CA: #38 of 1,105 inventorsTop 4%
California: #22,079 of 386,348 inventorsTop 6%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
James R. Campbell has been granted 25 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in June 2022. James R. Campbell ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list James R. Campbell in Orange, CA, US.

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11364612 Multi-functional chainsaw field maintenance tool 2022-06-21
8378011 Enhanced durability of hydrophilic coatings Lincoln Eramo, Paul Matlin 2013-02-19 $2,690,000
H1985 Method for detecting biological toxins Frances S. Ligler 2001-08-07
6180381 Pseudomonas chlororaphis microorganism, polyurethane degrading enzyme obtained therefrom, and method of use Michael T. Montgomery, Joel R. Crabbe, Steven E. Walz, Laura Thompson 2001-01-30
5824512 Bacteria expressing metallothionein gene into the periplasmic space, and method of using such bacteria in environment cleanup Mehran Pazirandeh 1998-10-20
5714378 Pseudomonas chlororaphis microorganism polyurethane degrading enzyme obtained therefrom and method of using enzyme Michael T. Montgomery, Joel R. Crabbe, Steven E. Walz, Laura Thompson 1998-02-03
5380153 Method and apparatus for installation of honeycomb core seals 1995-01-10
H1398 DNA-based fluourescent sensor 1995-01-03
5348209 Apparatus for brazing and installing honeycomb core seals 1994-09-20
5224644 Method and apparatus for installation of honeycomb core seals 1993-07-06
5158948 Tetracyclic spirobenzazepine dopamine antagonists Robert W. Schoenleber, Paul P. Ehrlich, John W. Kebabian 1992-10-27 $23,898,000
5102442 Antagonism defeating crop oil concentrates James Lyle Hazen, Rudolf H. A. Frank, Paul S. Zorner 1992-04-07
5084087 Ready to dilute adjuvant-containing postemergent herbicide formulations James Lyle Hazen 1992-01-28
4834908 Antagonism defeating crop oil concentrates James Lyle Hazen, Rudolf H. A. Frank, Paul S. Zorner 1989-05-30
4741026 Message signaling arrangement between a switching system and user terminals Leslie A. Baxter, Wayne A. Davidson, Laura M. Fandre, Robert M. Lund, Ronald W. Michelsen +3 more 1988-04-26
4618152 Honeycomb seal structure 1986-10-21
4608845 Apparatus for fabricating honeycomb core strip 1986-09-02
4551604 Method and apparatus for fabricating honeycomb seal 1985-11-05
D272104 Boot heel protector 1984-01-10
4365004 Metallic core panel and method of making same Roy L. Anspach 1982-12-21
4342899 Method of fabricating honeycomb core structure Roy L. Anspach 1982-08-03
4280039 Apparatus for fabricating and welding core reinforced panel Roy L. Anspach 1981-07-21
4273836 Core strip blank, core strip and method of making same Roy L. Anspach 1981-06-16
4254188 Metallic core panel and method of making same Roy L. Anspach 1981-03-03
4221394 Snow vehicle 1980-09-09