Hibbard G. Keifert

Person

Torrance, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Brazed corrosion resistant lined equipment
- Patent number 4,291,104
- Issue date Sep 22, 1981
- Fansteel Inc.
- Hibbard G. Keifert
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Corrosion and erosion resistant lined equipment
- Patent number 4,117,201
- Issue date Sep 26, 1978
- Fansteel Inc.
- Hibbard G. Keifert
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Lined equipment with triclad wall construction
- Patent number 4,073,427
- Issue date Feb 14, 1978
- Fansteel Inc.
- Hibbard G. Keifert
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Joint fabrication and method for forming the same
- Patent number 4,032,243
- Issue date Jun 28, 1977
- Fansteel Inc.
- Hibbard G. Keifert
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lined equipment with dual base metal inserts
- Patent number 4,030,848
- Issue date Jun 21, 1977
- Fansteel Inc.
- Hibbard G. Keifert
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Lined equipment and method of fabrication
- Patent number 4,030,849
- Issue date Jun 21, 1977
- Fansteel Inc.
- Hibbard G. Keifert
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of repairing chemical process equipment
- Patent number 3,986,243
- Issue date Oct 19, 1976
- Fansteel Inc.
- Mortimer Schussler
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Hibbard G. Keifert

Person

Patents Grantslast 30 patents

Brazed corrosion resistant lined equipment

Corrosion and erosion resistant lined equipment

Lined equipment with triclad wall construction

Joint fabrication and method for forming the same

Lined equipment with dual base metal inserts

Lined equipment and method of fabrication

Method of repairing chemical process equipment