William E. Fritz

Person

Hinsdale, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wheel chocks for use on vehicle transport carriers
- Patent number 5,106,245
- Issue date Apr 21, 1992
- Moyer; Donald L.
- William E. Fritz
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Railroad hopper car outlet gate end tube seal
- Patent number 5,005,739
- Issue date Apr 9, 1991
- Gen-Tech, Inc.
- William E. Fritz
- B61 - RAILWAYS
Information Patent Grant
Lock for a railroad hopper car outlet gate end tube assembly
- Patent number 4,974,999
- Issue date Dec 4, 1990
- Gen-Tech, Inc.
- William E. Fritz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Railroad hopper car outlet gate end tube assemblies
- Patent number 4,975,000
- Issue date Dec 4, 1990
- Gen-Tech, Inc.
- William E. Fritz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Hopper car discharge gate seal
- Patent number 4,973,067
- Issue date Nov 27, 1990
- Gen-Tech, Inc.
- William E. Fritz
- B61 - RAILWAYS
Information Patent Grant
Hopper car discharge gate
- Patent number 4,867,615
- Issue date Sep 19, 1989
- William E. Fritz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Hatch cover seal assembly
- Patent number 4,543,889
- Issue date Oct 1, 1985
- Dev-Mark, Inc.
- William E. Fritz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sliding gate for a railroad hopper car
- Patent number 4,450,773
- Issue date May 29, 1984
- The Youngstown Steel Door Co.
- William E. Fritz
- B61 - RAILWAYS
Information Patent Grant
Sliding bearing and seal
- Patent number 4,429,921
- Issue date Feb 7, 1984
- The Youngstown Steel Door Company
- William E. Fritz
- B61 - RAILWAYS
Information Patent Grant
Railway hopper car gate anti-friction seal
- Patent number 4,344,365
- Issue date Aug 17, 1982
- The Youngstown Steel Door Company
- William E. Fritz
- B61 - RAILWAYS
Information Patent Grant
Hopper discharge outlet and method
- Patent number 4,324,188
- Issue date Apr 13, 1982
- The Youngstown Steel Door Company
- William E. Fritz
- B61 - RAILWAYS
Information Patent Grant
Door assemblies for closing rail car end opening
- Patent number 4,164,189
- Issue date Aug 14, 1979
- The Youngstown Steel Door Company
- William E. Fritz
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door assemblies for closing rail car end openings
- Patent number 3,938,446
- Issue date Feb 17, 1976
- The Youngstown Steel Door Co.
- Robert F. Seitz
- B61 - RAILWAYS

William E. Fritz

Person

Patents Grantslast 30 patents

Wheel chocks for use on vehicle transport carriers

Railroad hopper car outlet gate end tube seal

Lock for a railroad hopper car outlet gate end tube assembly

Railroad hopper car outlet gate end tube assemblies

Hopper car discharge gate seal

Hopper car discharge gate

Hatch cover seal assembly

Sliding gate for a railroad hopper car

Sliding bearing and seal

Railway hopper car gate anti-friction seal

Hopper discharge outlet and method

Door assemblies for closing rail car end opening

Door assemblies for closing rail car end openings