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

William P. Kroll — 35 Patents

INIntercomp: 28 patents #1 of 14Top 8%
Medina, MN: #6 of 87 inventorsTop 7%
Minnesota: #1,597 of 52,454 inventorsTop 4%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
William P. Kroll has been granted 35 US patents while listed as an inventor at Intercomp. The first was granted in 1987 and the most recent in July 2025. William P. Kroll ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list William P. Kroll in Medina, MN, US.

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5894112 Weighing scale apparatus 1999-04-13
D399144 Digital turn plate Karl J. F. Kroll, Bruce G. Rhoe 1998-10-06
5664379 Stairway step assembly Paul Probst, Karl J. F. Kroll 1997-09-09
5646376 Aircraft weighing scale with improved base, platform and load cell mounting assembly Mark Browne, Tom Bartsch, Randie Evenson 1997-07-08
5232064 Weighing scale assembly Robert E. K. Kroll, Kai Kroll 1993-08-03 $301,000
5228527 Force measurement assembly Robert E. K. Kroll, Kai Kroll 1993-07-20 $338,000
4979581 Low profile wheel scale assembly 1990-12-25
4813504 Load cell structure 1989-03-21
4775018 Load cell assembly Robert E. K. Kroll, Mark W. Kroll, Karl J. F. Kroll 1988-10-04
4714121 Wheel scale assembly Robert E. K. Kroll, Mark W. Kroll, Karl J. F. Kroll 1987-12-22