John C. Hardison

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Valveless siphon decanter and methods of use
- Patent number 9,587,651
- Issue date Mar 7, 2017
- John Charles Hardison
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Valveless siphon decanter and methods of use
- Patent number 8,871,086
- Issue date Oct 28, 2014
- John Charles Hardison
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Current propelled waste water treatment mechanism
- Patent number 4,687,576
- Issue date Aug 18, 1987
- John C. Hardison
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Liquid pumping system
- Patent number 4,614,480
- Issue date Sep 30, 1986
- John C. Hardison
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Liquid aerator
- Patent number 4,539,110
- Issue date Sep 3, 1985
- John C. Hardison
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
VALVELESS SIPHON DECANTER AND METHODS OF USE
- Publication number 20150013774
- Publication date Jan 15, 2015
- John Charles Hardison
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
FLUID AERATOR
- Publication number 20150008600
- Publication date Jan 8, 2015
- John Charles Hardison
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
VALVELESS SIPHON DECANTER AND METHODS OF USE
- Publication number 20110068054
- Publication date Mar 24, 2011
- John Charles Hardison
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL