Thomas F. Uhlemann

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Edina, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Lead-acid cells and batteries
- Patent number 6,180,286
- Issue date Jan 30, 2001
- GNB Technologies, Inc.
- Purushothama Rao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Lead-acid cells and batteries
- Patent number 5,874,186
- Issue date Feb 23, 1999
- GNB Technologies, Inc.
- Purushothama Rao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sealed lead-acid cells and batteries
- Patent number 5,691,087
- Issue date Nov 25, 1997
- GNB Technologies, Inc.
- Purushothama Rao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Lead-acid battery having a fluid compartment for reducing convectio...
- Patent number 5,569,552
- Issue date Oct 29, 1996
- GNB Technologies, Inc.
- Purushothama Rao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lead-acid battery having a fluid compartment for reducing convectio...
- Patent number 5,460,900
- Issue date Oct 24, 1995
- GNB Battery Technologies Inc.
- Purushothama Rao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery grids and plates and lead-acid batteries made using such gr...
- Patent number 5,434,025
- Issue date Jul 18, 1995
- GNB Battery Technologies Inc.
- Purushothama Rao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...