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

John C. St. Clair — 6 Patents

Amsbry, PA: #1 of 2 inventorsTop 50%
Pennsylvania: #13,718 of 74,527 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John C. St. Clair has been granted 6 US patents. The first was granted in 1982 and the most recent in July 2025. John C. St. Clair ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John C. St. Clair in Amsbry, PA, US.

Patents per Year

Patents granted per year, 1982 to 2025Bar chart with a peak of 3 patents in 2025.peak 31982: 1 patents19822021: 2 patents20212025: 3 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12343943 Method and apparatus for forming a window/door screen frame and mesh assembly without adhesive Thomas Randall Iles, John J. Keller, John France, Christopher Seebode, Varadarajan Swamydashu 2025-07-01
12252933 Reduced visibility window/door screen with a reduced frame profile and internal hardware Thomas Randall Iles, John J. Keller, John France, Christopher Seebode, Varadarajan Swamydashu 2025-03-18
12209455 Reduced visibility window/door screen including a reduced frame profile and method of making same Thomas Randall Iles, John J. Keller, John France, Christopher Seebode 2025-01-28
11149491 Screen frame and adapter for universal installation within different sized window/door sockets Steven D. Ulsh 2021-10-19
11125012 Reduced visibility window/door screen including a reduced frame profile and method of making same Thomas Randall Iles, John J. Keller, John France, Christopher Seebode 2021-09-21
4348135 Draining, irrigating and aeration of soil and heating or cooling of soil 1982-09-07