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

Jon B. Zaerr — 10 Patents

GUGunderson: 10 patents #2 of 57Top 4%
Portland, OR: #1,745 of 9,213 inventorsTop 20%
Oregon: #4,318 of 28,073 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Jon B. Zaerr has been granted 10 US patents while listed as an inventor at Gunderson. The first was granted in 1993 and the most recent in September 2025. Jon B. Zaerr ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Jon B. Zaerr in Portland, OR, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12409872 Coupler cross keys Gregory J. Saxton 2025-09-09
11878724 Autorack cars Brant Alec Buchanan 2024-01-23
10871012 End door latch arrangement for railroad car Cory L. McGhehey 2020-12-22
9061687 Railroad car for carrying motor vehicles 2015-06-23
6510800 Multi-unit railroad freight car for carrying cargo containers between container well units John N. Niosi, David W. Smith 2003-01-28
6059075 Railroad freight car including pneumatic brake system module Gregory J. Saxton, Daniel W. Aberle 2000-05-09
5979335 Railroad freight car for carrying motor vehicles Gregory J. Saxton 1999-11-09
5794537 Deck-edge hinge for loading bridge Michael D. Hubbard 1998-08-18
5743192 Railroad freight car for carrying motor vehicles Gregory J. Saxton, Daniel W. Aberle 1998-04-28
5207161 Side bearing arrangement for multi-unit railroad cars with different side bearings on adjacent car ends sharing a common truck James D. Pileggi 1993-05-04