Inventor
ZAERR JON B
US10 patents
⚠️ This page may combine multiple inventors who share the name “ZAERR JON B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GUNDERSON INC
6 patentsUS5979335ANov 9, 1999
Railroad freight car for carrying motor vehicles
GUNDERSON INC56 citations95
US5743192AApr 28, 1998
Railroad freight car for carrying motor vehicles
GUNDERSON INC83 citations95
US6510800B1Jan 28, 2003
Multi-unit railroad freight car for carrying cargo containers between container well units
GUNDERSON INC20 citations92
US5794537AAug 18, 1998
Deck-edge hinge for loading bridge
GUNDERSON INC50 citations92
US5207161AMay 4, 1993
Side bearing arrangement for multi-unit railroad cars with different side bearings on adjacent car ends sharing a common truck
GUNDERSON INC50 citations92
US6059075AMay 9, 2000
Railroad freight car including pneumatic brake system module
GUNDERSON INC13 citations81
GUNDERSON LLC
4 patentsUS9061687B2Jun 23, 2015
Railroad car for carrying motor vehicles
GUNDERSON LLC2 citations61
US10871012B2Dec 22, 2020
End door latch arrangement for railroad car
GUNDERSON LLC1 citations52
US12409872B1Sep 9, 2025
Coupler cross keys
GUNDERSON LLC0 citations51
US11878724B2Jan 23, 2024
Autorack cars
GUNDERSON LLC0 citations40