Willis H. Knippel

Person

Palos Park, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Door locking mechanism for hopper car doors
- Patent number 4,339,222
- Issue date Jul 13, 1982
- Pullman Incorporated
- Willis H. Knippel
- B61 - RAILWAYS
Information Patent Grant
Railway hopper car latch mechanism
- Patent number 4,295,430
- Issue date Oct 20, 1981
- Pullman Incorporated
- Willis H. Knippel
- B61 - RAILWAYS
Information Patent Grant
Railway car side discharge door locking arrangement
- Patent number 4,291,631
- Issue date Sep 29, 1981
- Pullman Incorporated
- Willis H. Knippel
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Hopper car door operating mechanism
- Patent number 4,280,778
- Issue date Jul 28, 1981
- Pullman Incorporated
- Willis H. Knippel
- B61 - RAILWAYS
Information Patent Grant
Door latch mechanism for bottom dump hopper car
- Patent number 4,278,382
- Issue date Jul 14, 1981
- Pullman Incorporated
- Willis H. Knippel
- B61 - RAILWAYS
Information Patent Grant
Static switching apparatus for passenger vehicle
- Patent number 4,224,875
- Issue date Sep 30, 1980
- Pullman Incorporated
- Willis H. Knippel
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Double locking door latch mechanism for railway hopper cars
- Patent number 4,213,725
- Issue date Jul 22, 1980
- Pullman Incorporated
- Willis H. Knippel
- B61 - RAILWAYS
Information Patent Grant
Self steering railway car
- Patent number 4,164,188
- Issue date Aug 14, 1979
- Pullman Incorporated
- Keith J. Hallam
- B61 - RAILWAYS
Information Patent Grant
Operating mechanism for box car sliding doors
- Patent number 4,095,371
- Issue date Jun 20, 1978
- Pullman Incorporated
- Willis H. Knippel
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Willis H. Knippel

Person

Patents Grantslast 30 patents

Door locking mechanism for hopper car doors

Railway hopper car latch mechanism

Railway car side discharge door locking arrangement

Hopper car door operating mechanism

Door latch mechanism for bottom dump hopper car

Static switching apparatus for passenger vehicle

Double locking door latch mechanism for railway hopper cars

Self steering railway car

Operating mechanism for box car sliding doors