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

William C. Eungard — 20 Patents

4S4Front Engineered Solutions: 10 patents #1 of 25Top 4%
KCKelley Company: 3 patents #12 of 51Top 25%
JAJohnson Worldwide Associates: 2 patents #5 of 35Top 15%
STStandard Car Truck: 2 patents #15 of 41Top 40%
AAAssa Abloy Entrance Systems Ab: 1 patents #39 of 100Top 40%
SPSpx Dock Products: 1 patents #6 of 9Top 70%
DADacor: 1 patents #17 of 40Top 45%
Waterford, WI: #6 of 111 inventorsTop 6%
Wisconsin: #1,951 of 40,088 inventorsTop 5%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
William C. Eungard has been granted 20 US patents while listed as an inventor at 4Front Engineered Solutions. The first was granted in 1990 and the most recent in March 2025. William C. Eungard ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list William C. Eungard in Waterford, WI, US.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12240716 Wiper seal pad systems John C. Vendette, William Amundson 2025-03-04
9327922 Dock leveler sealing systems 2016-05-03
9212510 Sealing systems and associated devices for sealing loading dock doors and the like Joshua James Brown, Ryan J. Talbot 2015-12-15
9073710 Dock leveler sealing systems 2015-07-07
8720112 Door leveling apparatuses and associated methods of manufacture and use 2014-05-13
8510888 Dock leveler sealing systems 2013-08-20
8307589 Segmented dock seals for truck loading docks and associated systems and methods 2012-11-13
8181401 Loading dock truck and trailer seals and associated systems and methods 2012-05-22
8112949 Segmented dock seals for truck loading docks and associated systems and methods 2012-02-14
8046857 Dock leveler seals and associated methods and systems L. Blake Whitley, Michael John Story 2011-11-01
7594290 Dock leveler bottom pad William Amundson, Laura M. Smith 2009-09-29
7044474 Wiper seal method and apparatus 2006-05-16
6431252 Curtain for a vehicle shelter and method for making the same Ronald T. Strobel 2002-08-13
6374554 Vehicle shelter 2002-04-23 $19,416,000
6170204 Vehicle shelter having channels Ronald T. Strobel 2001-01-09 $12,538,000
5902073 Equipment support garment for divers Thomas R. Swetish 1999-05-11 $840,000
5607258 Scuba diving harness for use with a buoyancy control device 1997-03-04 $1,055,000
5522679 Buoyancy compensator having attached backpack 1996-06-04
RE34963 Friction casting for a bolster pocket 1995-06-13
4974521 Friction casting for a bolster pocket 1990-12-04