Inventor
Willis H. Knippel
Inventor
Palos Park, IL, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B61Dprimary
B61DBody details or kinds of railway vehicles38%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles13%
Y10TTechnical subjects covered by former us classification13%
B61CLocomotives6%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers6%
E01BPermanent way6%
E05BLocks6%
E05FDevices for moving wings into open or closed position6%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof6%
PatentTitleYear
4,339,222'Door locking mechanism for hopper car doors'19824,295,430'Railway hopper car latch mechanism'19814,291,631'Railway car side discharge door locking arrangement'19814,280,778'Hopper car door operating mechanism'19814,278,382'Door latch mechanism for bottom dump hopper car'19814,224,875'Static switching apparatus for passenger vehicle'19804,213,725'Double locking door latch mechanism for railway hopper cars'19804,164,188'Self steering railway car'19794,095,371'Operating mechanism for box car sliding doors'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1982Patents assigned to PULLMAN INC (9)· patent assignee history
1978–1982Based in Palos Park, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PULLMAN INC | 9 | 1978–1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Palos Park, Illinois, US | 9 | 1978–1982 |