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

Keith W. Klontz — 17 Patents

ZTZero E Technologies: 9 patents #1 of 16Top 7%
EIElectric Power Research Institute: 4 patents #60 of 1,201Top 5%
CHClearwater Holdings: 3 patents #7 of 25Top 30%
Wheat Ridge, CO: #7 of 146 inventorsTop 5%
Colorado: #2,451 of 40,980 inventorsTop 6%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Keith W. Klontz has been granted 17 US patents while listed as an inventor at Zero E Technologies. The first was granted in 1992 and the most recent in October 2025. Keith W. Klontz ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Keith W. Klontz in Wheat Ridge, CO, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12451741 Flux machine Haodong Li 2025-10-21
12176764 Stator and method of fabricating a stator Thomas H. Hopkins, Felipe J. Castillo, Scott T. Graham 2024-12-24
11764627 Electric machine cooling systems and methods Thomas H. Hopkins, Felipe J. Castillo, Scott T. Graham 2023-09-19
11539252 Flux machine Haodong Li 2022-12-27
11342803 Electric machine cooling systems and methods Thomas H. Hopkins, Felipe J. Castillo, Scott T. Graham 2022-05-24
11190065 Flux machine Haodong Li 2021-11-30
11056942 Electric machine rotor cooling systems and methods Thomas H. Hopkins, Felipe J. Castillo, Scott T. Graham 2021-07-06
10855127 Electric machine stator cooling systems and methods Thomas H. Hopkins, Felipe J. Castillo, Scott T. Graham 2020-12-01
10505412 Flux machine Haodong Li 2019-12-10
10505421 Electric machine stator cooling systems and methods Thomas H. Hopkins, Felipe J. Castillo, Scott T. Graham 2019-12-10
10256688 Electric machine rotor cooling systems and methods Thomas H. Hopkins, Felipe J. Castillo, Scott T. Graham 2019-04-09
10256700 Robust permanent magnet electric machine and methods Thomas H. Hopkins, Felipe J. Castillo, Scott T. Graham 2019-04-09
10177631 Electric machine stator cooling systems and methods Thomas H. Hopkins, Felipe J. Castillo, Scott T. Graham 2019-01-08
5341280 Contactless coaxial winding transformer power transfer system Deepakraj M. Divan, Donald W. Novotny, Robert D. Lorenz 1994-08-23
5341083 Contactless battery charging system Deepakraj M. Divan, Donald W. Novotny, Robert D. Lorenz 1994-08-23
5301096 Submersible contactless power delivery system Deepakraj M. Divan, Donald W. Novotny, Robert D. Lorenz 1994-04-05
5157319 Contactless battery charging system Deepakraj M. Divan, Donald W. Novotny, Robert D. Lorenz 1992-10-20