John H. Stark

Person

Wattenwil CH-3202, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Method for converting a fluctuating and/or erratic energy supply in...
- Patent number 8,425,779
- Issue date Apr 23, 2013
- DCT Double-Cone Technology AG
- John Stark
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Integrated water decontamination plant and well pump arrangement
- Patent number 7,662,290
- Issue date Feb 16, 2010
- DCT Double-Cone Technology AG
- John Stark
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Separating arrangement for treatment of fluids
- Patent number 7,128,092
- Issue date Oct 31, 2006
- DCT Double-Cone Technology AG
- John Herman Stark
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Double-cone device and pump
- Patent number 7,077,207
- Issue date Jul 18, 2006
- DCT Double-Cone Technology AG
- John Stark
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Double cone for generation of a pressure difference
- Patent number 6,701,960
- Issue date Mar 9, 2004
- DCT Double-Cone Technology AG
- John Herman Stark
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Device for creating and exploiting a pressure difference and the te...
- Patent number 4,792,284
- Issue date Dec 20, 1988
- Paul W. Straub
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR CONVERTING A FLUCTUATING AND/OR ERRATIC ENERGY SUPPLY IN...
- Publication number 20100126160
- Publication date May 27, 2010
- John Stark
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Integrated water decontamination plant and well pump arrangement
- Publication number 20060226077
- Publication date Oct 12, 2006
- John Stark
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Double cone for generation of a pressure difference
- Publication number 20060140780
- Publication date Jun 29, 2006
- John Stark
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Separating arrangement for treatment of fluids
- Publication number 20040159357
- Publication date Aug 19, 2004
- DCT Double-Cone Technology AG
- John Herman Stark
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Double-cone device and pump
- Publication number 20040104023
- Publication date Jun 3, 2004
- John Stark
- E21 - EARTH DRILLING MINING

John H. Stark

Person

Patents Grantslast 30 patents

Method for converting a fluctuating and/or erratic energy supply in...

Integrated water decontamination plant and well pump arrangement

Separating arrangement for treatment of fluids

Double-cone device and pump

Double cone for generation of a pressure difference

Device for creating and exploiting a pressure difference and the te...

Patents Applicationslast 30 patents

METHOD FOR CONVERTING A FLUCTUATING AND/OR ERRATIC ENERGY SUPPLY IN...

Integrated water decontamination plant and well pump arrangement

Double cone for generation of a pressure difference

Separating arrangement for treatment of fluids

Double-cone device and pump