Donald E. Christofer

Person

Willowick, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for changing filters in nuclear power stations
- Patent number 4,572,710
- Issue date Feb 25, 1986
- General Signal Corporation
- Arthur J. Stock
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Feeder for particulate material
- Patent number 4,257,518
- Issue date Mar 24, 1981
- Stock Equipment Company
- Arthur J. Stock
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Crane grab apparatus
- Patent number 4,151,983
- Issue date May 1, 1979
- Stock Equipment Company
- Arthur J. Stock
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Process for introducing particulate material into a container
- Patent number 4,030,708
- Issue date Jun 21, 1977
- Stock Equipment Company
- Arthur J. Stock
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus for receiving and compacting waste material
- Patent number 4,008,658
- Issue date Feb 22, 1977
- Stock Equipment Company
- Arthur J. Stock
- B30 - PRESSES
Information Patent Grant
Pump apparatus
- Patent number 3,994,626
- Issue date Nov 30, 1976
- Stock Equipment Company
- Arthur J. Stock
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Crane apparatus
- Patent number 3,972,420
- Issue date Aug 3, 1976
- Stock Equipment Company
- Arthur J. Stock
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Apparatus for introducing particulate material into a container
- Patent number 3,966,175
- Issue date Jun 29, 1976
- Stock Equipment Company
- Arthur J. Stock
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus and process for handling dangerous fluent material
- Patent number 3,940,628
- Issue date Feb 24, 1976
- Stock Equipment Company
- Arthur J. Stock
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus for inserting closure means into a container
- Patent number 3,932,979
- Issue date Jan 20, 1976
- Stock Equipment Company
- Arthur J. Stock
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Donald E. Christofer

Person

Patents Grantslast 30 patents

Method and apparatus for changing filters in nuclear power stations

Feeder for particulate material

Crane grab apparatus

Process for introducing particulate material into a container

Apparatus for receiving and compacting waste material

Pump apparatus

Crane apparatus

Apparatus for introducing particulate material into a container

Apparatus and process for handling dangerous fluent material

Apparatus for inserting closure means into a container