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

John C. Evans — 35 Patents

MIMicrobilt: 14 patents #2 of 21Top 10%
VGVanguard Group: 5 patents #5 of 58Top 9%
NASA: 5 patents #320 of 3,881Top 9%
EAE.I. Du Pont De Nemours And: 4 patents #2,850 of 12,129Top 25%
SYSymbiont.Io: 2 patents #8 of 12Top 70%
Ravenna, OH: #2 of 163 inventorsTop 2%
Ohio: #1,369 of 73,341 inventorsTop 2%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
John C. Evans has been granted 35 US patents while listed as an inventor at Microbilt. The first was granted in 1980 and the most recent in July 2024. John C. Evans ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list John C. Evans in Ravenna, OH, US.

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12038162 Task lighting apparatus Christopher Conklin 2024-07-16
11869012 Systems, devices, and methods for DLT-based data management platforms and data products Warren B. Pennington, Mark Smith, Anush Vijayaraghavan, Ron Papanek 2024-01-09 $278,000
11847647 Device, method, and computer readable medium for large scale electronic processing Warren B. Pennington, Ryan LOVELL 2023-12-19
11436607 Systems, devices, and methods for DLT-based data management platforms and data products Warren B. Pennington, Mark Smith, Anush Vijayaraghavan, Ron Papanek 2022-09-06
11308488 Device, method, and computer readable medium for large scale electronic processing Warren B. Pennington, Ryan LOVELL 2022-04-19
10825024 Systems, devices, and methods for DLT-based data management platforms and data products Warren B. Pennington, Mark Smith, Anush Vijayaraghavan, Ron Papanek 2020-11-03
D409650 Point-of-sale terminal James L. Hanna 1999-05-11
5559315 Embossed card reader Parameswaran B. Nair, James Price 1996-09-24
5479530 Signature capturing printer and data card terminal Parameswaran B. Nair, Kumar S. Choudhuri, Murray A. Morton, Holly B. Krahe, Mark Brady +6 more 1995-12-26
5466920 Real time decoding for card transaction terminal Parameswaran B. Nair, Kumar S. Choudhuri, James T. Stills 1995-11-14
5448047 Card validation method using multiple cord data regions Parameswaran B. Nair, James Price, Kumar S. Choudhuri, James T. Stills, Victor V. Goulding 1995-09-05
5448044 Signature capture pad for point of sale system James Price 1995-09-05
5438186 Multi-reader transaction terminal Parameswaran B. Nair, James Price, Kumar S. Choudhuri, James T. Stills, Victor V. Goulding 1995-08-01
5432326 Systems and methods for operating data card terminals for transaction chargeback protection Paul W. Noblett, Jr., Mark Brady, Peter R. Cavicchi, Kumar S. Choudhuri, Timothy W. Depew +12 more 1995-07-11
D359951 Multireader transaction terminal Parameswaran B. Nair, Kumar S. Choudhuri, James L. Hanna, James Price 1995-07-04
5428210 Data card terminal with embossed character reader and signature capture Parameswaran B. Nair, Mark Brady, Peter R. Cavicchi, Kumar S. Choudhuri, Timothy W. Depew +12 more 1995-06-27
5426286 Card transaction terminal Parameswaran B. Nair, Kumar S. Choudhuri, James T. Stills 1995-06-20
5404000 Embossed character reader for data card terminal Parameswaran B. Nair, Mark Brady, Peter R. Cavicchi, Kumar S. Choudhuri, Timothy W. Depew +12 more 1995-04-04
5396545 Self configuring data card terminal Parameswaran B. Nair, Kumar S. Choudhuri, James T. Stills 1995-03-07
5369263 Embossed card reader Parameswaran B. Nair, James Price 1994-11-29
5362952 Card transaction terminal Parameswaran B. Nair, Kumar S. Choudhuri, James T. Stills 1994-11-08
5334823 Systems and methods for operating data card terminals for transaction chargeback protection Paul W. Noblett, Jr., Mark Brady, Peter R. Cavicchi, Kumar S. Choudhuri, Timothy W. Depew +12 more 1994-08-02
D348440 Data card transaction terminal Parameswaran B. Nair, Kumar S. Choudhuri, James L. Hanna, James Price 1994-07-05
D338876 Data card transaction terminal Parameswaran B. Nair, Kumar S. Choudhuri 1993-08-31
4802602 Insulating device for a beverage container Charles E. Campbell, John Blair 1989-02-07