Ralph H. Feldhake

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Verona, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
High temperature lithium solid cathode electrochemical cells
- Patent number 5,246,795
- Issue date Sep 21, 1993
- Rayovac Corporation
- El-Sayed Megahed
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sealant for lithium cells
- Patent number 4,457,991
- Issue date Jul 3, 1984
- Rayovac Corporation
- Ralph H. Feldhake
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for sealing electrochemical cells
- Patent number 4,224,736
- Issue date Sep 30, 1980
- ESB Inc.
- Ralph H. Feldhake
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for sealing electrochemical cells
- Patent number 4,122,242
- Issue date Oct 24, 1978
- ESB Incorporated
- Ralph H. Feldhake
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery having polyamide hot melt adhesive seal
- Patent number 3,997,365
- Issue date Dec 14, 1976
- ESB Incorporated
- Ralph H. Feldhake
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery having deformations in a metal layer
- Patent number 3,964,932
- Issue date Jun 22, 1976
- ESB Incorporated
- John E. Oltman
- H01 - BASIC ELECTRIC ELEMENTS