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

David R. Bowen — 41 Patents

PAPacesetter: 35 patents #38 of 832Top 5%
CLCambridge Consultants Limited: 1 patents #38 of 93Top 45%
Taylors, SC: #5 of 195 inventorsTop 3%
South Carolina: #158 of 15,501 inventorsTop 2%
Overall (All Time): #75,001 of 4,157,543Top 2%
41 Patents All Time
David R. Bowen has been granted 41 US patents while listed as an inventor at Pacesetter. The first was granted in 1985 and the most recent in June 2025. David R. Bowen ranks #75,001 of 4,157,543 US inventors in our database (top 1.8%). Patent records list David R. Bowen in Taylors, SC, US.

Patents per Year

Patents granted per year, 1985 to 2025Bar chart with a peak of 7 patents in 2018.peak 71985: 1 patents19851994: 1 patents2000: 1 patents20002001: 1 patents2007: 1 patents20072012: 1 patents2015: 2 patents20152016: 2 patents2017: 2 patents20172018: 7 patents2019: 2 patents20192020: 3 patents2021: 5 patents20212022: 2 patents2023: 5 patents20232024: 3 patents2025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12340951 Laser drilling of metal foils for assembly in an electrolytic capacitor Ralph Jason Hemphill, Kurt J. Erickson, Peter Fernstrom 2025-06-24
12191089 Performance of porous capacitor electrodes Ralph Jason Hemphill, Thomas F. Strange, Xiaofei Jiang 2025-01-07
12106907 Electrically insulating continuous film for an aluminum electrolytic capacitor J. Brian Smith, Ralph Jason Hemphill, Thomas F. Strange 2024-10-01
12033807 Laser drilling of metal foils for assembly in an electrolytic capacitor Ralph Jason Hemphill, Kurt J. Erickson, Peter Fernstrom 2024-07-09
11901134 Formation of conduits in porous capacitor electrodes Ralph Jason Hemphill, Thomas F. Strange, Xiaofei Jiang 2024-02-13
11830680 Reduction of charging time in capacitors Ralph Jason Hemphill, Thomas F. Strange 2023-11-28
11791104 Reducing variance in capacitor electrodes Ralph Jason Hemphill 2023-10-17
11712751 Laser cutting of electrodes in electrochemical devices Kurt J. Erickson, Jeffrey Jon Allison, John Moore, Thomas F. Strange 2023-08-01
11636985 Cathode subassembly with integrated separator for electrolytic capacitor, and method of manufacture thereof Ralph Jason Hemphill, Thomas F. Strange, Troy L. McCurry, Peter Fernstrom 2023-04-25
11545307 Fabrication of capacitors and recovery of capacitor fabrication matertials Ralph Jason Hemphill 2023-01-03
11476057 Increasing capacitance of a capacitor Justin K. King, Ralph Jason Hemphill, Timothy R. Marshall 2022-10-18
11469052 Oxide on edges of metal anode foils Ralph Jason Hemphill 2022-10-11
11195666 Electrically insulating continuous film for an aluminum electrolytic capacitor J. Brian Smith, Ralph Jason Hemphill, Thomas F. Strange 2021-12-07
11185948 Laser drilling of metal foils for assembly in an electrolytic capacitor Ralph Jason Hemphill, Kurt J. Erickson, Peter Fernstrom 2021-11-30
11017955 Cathode subassembly with integrated separator for electrolytic capacitor, and method of manufacture thereof Ralph Jason Hemphill, Thomas F. Strange, Troy L. McCurry, Peter Fernstrom 2021-05-25
10923291 Oxide on edges of metal anode foils Ralph Jason Hemphill 2021-02-16
10894157 Laser marking of raw anode foil to induce uniform pattering and etching with oxide passivation mask Ralph Jason Hemphill, Kurt J. Erickson 2021-01-19
10825613 Use of etch resist masked anode frame for facilitation of laser cutting, particle and leakage current reduction Thomas F. Strange, Ralph Jason Hemphill, Kurt J. Erickson 2020-11-03
10603694 Sonicating bath for anode foils Ralph Jason Hemphill, James Brian Smith, Xiaofei Jiang, Troy L. McCurry 2020-03-31
10573467 Method of printing a conductive ink onto a cathode surface to increase surface area and capacitance Thomas F. Strange, Ralph Jason Hemphill 2020-02-25
10422050 Process for using persulfate in a low pH etch solution to increase aluminum foil capacitance Ralph Jason Hemphill, James Brian Smith, Timothy R. Marshall 2019-09-24
10354805 Reducing deformation in capacitors Ralph Jason Hemphill, Kurt J. Erickson, John Moore, Thomas F. Strange 2019-07-16
10163577 Aluminum electrolytic capacitor and assembly thereof Troy L. McCurry, Ralph Jason Hemphill, Peter Fernstrom 2018-12-25
10090112 Use of etch resist masked anode frame for facilitation of laser cutting, particle and leakage current reduction Thomas F. Strange, Ralph Jason Hemphill, Kurt J. Erickson 2018-10-02
9991056 Sonicating bath for anode foils Ralph Jason Hemphill, James Brian Smith, Xiaofei Jiang, Troy L. McCurry 2018-06-05