Jonathan S. Powell

Person

Mariposa, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dowel fastener and method for securely attaching items to an edge o...
- Patent number 6,350,092
- Issue date Feb 26, 2002
- Jonathan S. Powell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve assembly
- Patent number 6,135,150
- Issue date Oct 24, 2000
- Powell Engineering Co., Inc.
- Jonathan S. Powell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve assembly
- Patent number 6,032,691
- Issue date Mar 7, 2000
- Kaylynn, Inc.
- Jonathan S. Powell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Floating chemical dispenser with delay for swimming pools
- Patent number 5,795,551
- Issue date Aug 18, 1998
- Jonathan S. Powell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Means and method to treat swimming pool water
- Patent number 5,066,408
- Issue date Nov 19, 1991
- Jonathan S. Powell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Oscillating piston driven sprinkler
- Patent number 4,895,305
- Issue date Jan 23, 1990
- Jonathan S. Powell
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Means for chlorination of swimming pools
- Patent number 4,769,137
- Issue date Sep 6, 1988
- Jonathan S. Powell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for chlorination of swimming pools
- Patent number 4,673,513
- Issue date Jun 16, 1987
- Jonathan S. Powell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Swimming pool chlorine injection means and method
- Patent number 4,663,057
- Issue date May 5, 1987
- Jonathan S. Powell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Jonathan S. Powell

Person

Patents Grantslast 30 patents

Dowel fastener and method for securely attaching items to an edge o...

Valve assembly

Valve assembly

Floating chemical dispenser with delay for swimming pools

Means and method to treat swimming pool water

Oscillating piston driven sprinkler

Means for chlorination of swimming pools

Process for chlorination of swimming pools

Swimming pool chlorine injection means and method