Purushothama Rao

Person

Burnsville, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Lead-acid separators and cells and batteries using such separators
- Patent number 6,406,813
- Issue date Jun 18, 2002
- GNB Technologies, Inc.
- Purushothama Rao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making positive grids and lead-acid cells and batteries...
- Patent number 6,351,878
- Issue date Mar 5, 2002
- GNB Technologies, Inc.
- Purushothama Rao
- H01 - BASIC ELECTRIC ELEMENTS
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
Positive lead-acid battery grids and cells and batteries using such...
- Patent number 5,958,625
- Issue date Sep 28, 1999
- GNB Technologies, Inc.
- Purushothama Rao
- H01 - BASIC ELECTRIC ELEMENTS
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
Antimony-arsenic-tin-selenium lead-based strap alloys for lead-acid...
- Patent number 5,650,242
- Issue date Jul 22, 1997
- GNB Technologies, Inc.
- Purushothama Rao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lead-acid battery having a fluid compartment for reducing convectio...
- Patent number 5,569,552
- 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...
Information Patent Grant
Lead oxide composition for use in lead-acid batteries
- Patent number 5,352,549
- Issue date Oct 4, 1994
- GNB Battery Technologies Inc.
- Purushothama Rao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bipolar lead-acid battery
- Patent number 5,348,817
- Issue date Sep 20, 1994
- GNB Battery Technologies Inc.
- Purushothama Rao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Calcium-tin-silver lead-based alloys, and battery grids and lead-ac...
- Patent number 5,298,350
- Issue date Mar 29, 1994
- GNB Incorporated
- Purushothama Rao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Antimony - arsenic-tin-selenium lead-based strap alloys for lead-ac...
- Patent number 5,169,734
- Issue date Dec 8, 1992
- GNB Incorporated
- Purushothama Rao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Monitoring device for electric storage battery and configuration th...
- Patent number 5,159,272
- Issue date Oct 27, 1992
- GNB Incorporated
- Purushothama Rao
- G01 - MEASURING TESTING
Information Patent Grant
Frame for modular, multicell lead-acid batteries and such modular b...
- Patent number 5,126,217
- Issue date Jun 30, 1992
- GNB Incorporated
- Purushothama Rao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of preparing lead-acid battery plates and lead-acid batterie...
- Patent number 4,713,304
- Issue date Dec 15, 1987
- GNB Incorporated
- Purushothama Rao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low antimony lead-based alloy and method
- Patent number 4,456,579
- Issue date Jun 26, 1984
- GNB Batteries Inc.
- Purushothama Rao
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Lead oxide composition for use in lead-acid batteries
- Patent number 4,329,408
- Issue date May 11, 1982
- Gould Inc.
- George W. Mao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Maintenance-free battery
- Patent number 4,166,155
- Issue date Aug 28, 1979
- Gould Inc.
- George W. Mao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for reducing the float current of maintenance-free battery
- Patent number 4,086,392
- Issue date Apr 25, 1978
- Gould Inc.
- George W. Mao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery vent seal
- Patent number 4,075,399
- Issue date Feb 21, 1978
- Gould Inc.
- Anthony Sabatino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lead base cadmium-tin alloy useful for forming battery components
- Patent number 4,007,056
- Issue date Feb 8, 1977
- Gould Inc.
- Purushothama Rao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method for making positive grids and lead-acid and batteries using...
- Publication number 20020064711
- Publication date May 30, 2002
- GNB Technologies, Inc.
- Purushothama Rao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LEAD-ACID SEPARATORS AND CELLS AND BATTERIES USING SUCH SEPARATORS
- Publication number 20010038946
- Publication date Nov 8, 2001
- PURUSHOTHAMA RAO
- H01 - BASIC ELECTRIC ELEMENTS

Purushothama Rao

Person

Patents Grantslast 30 patents

Lead-acid separators and cells and batteries using such separators

Method for making positive grids and lead-acid cells and batteries...

Lead-acid cells and batteries

Positive lead-acid battery grids and cells and batteries using such...

Lead-acid cells and batteries

Sealed lead-acid cells and batteries

Antimony-arsenic-tin-selenium lead-based strap alloys for lead-acid...

Lead-acid battery having a fluid compartment for reducing convectio...

Lead-acid battery having a fluid compartment for reducing convectio...

Battery grids and plates and lead-acid batteries made using such gr...

Lead oxide composition for use in lead-acid batteries

Bipolar lead-acid battery

Calcium-tin-silver lead-based alloys, and battery grids and lead-ac...

Antimony - arsenic-tin-selenium lead-based strap alloys for lead-ac...

Monitoring device for electric storage battery and configuration th...

Frame for modular, multicell lead-acid batteries and such modular b...

Method of preparing lead-acid battery plates and lead-acid batterie...

Low antimony lead-based alloy and method

Lead oxide composition for use in lead-acid batteries

Maintenance-free battery

Method for reducing the float current of maintenance-free battery

Battery vent seal

Lead base cadmium-tin alloy useful for forming battery components

Patents Applicationslast 30 patents

Method for making positive grids and lead-acid and batteries using...

LEAD-ACID SEPARATORS AND CELLS AND BATTERIES USING SUCH SEPARATORS