Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › AT&T › William Kessler
WK

William Kessler — 4 Patents

AIAirbus: 1 patents #49 of 195Top 30%
ATAT&T: 1 patents #10,636 of 18,772Top 60%
Hopewell Junction, NY: #279 of 648 inventorsTop 45%
New York: #31,814 of 115,490 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
William Kessler has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 1994 and the most recent in December 2025. William Kessler ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list William Kessler in Hopewell Junction, NY, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12505730 Vent alarm with protective cover Raymond Anthony Joao 2025-12-23
12195321 Apparatus and method for monitoring fluid or material transfer into a receiving tank or receptacle Raymond Anthony Joao 2025-01-14
9908145 Extrusion-based additive manufacturing Benjamin Lionel Farmer, Jonathan Meyer, Andrew Hawkins 2018-03-06
5289542 Caller identification system with encryption — 1994-02-22

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4