John H. Cohen

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Riser system for coupling selectable modules to the riser
- Patent number 10,480,256
- Issue date Nov 19, 2019
- Enhanced Drilling, Inc.
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Grant
Riser restrictor device
- Patent number 10,053,944
- Issue date Aug 21, 2018
- ENHANCED DRILLING A.S.
- John H. Cohen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Direct drive fluid pump for subsea mudlift pump drilling systems
- Patent number 9,322,230
- Issue date Apr 26, 2016
- AGR Subsea, A.S.
- Emil R. Talamo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for circulating a fluid entry out of a subsurface wellbore w...
- Patent number 8,851,181
- Issue date Oct 7, 2014
- AGR Subsea, A.S.
- John Cohen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for circulating a fluid entry out of a subsurface wellbore w...
- Patent number 8,413,722
- Issue date Apr 9, 2013
- AGR Subsea, A.S.
- John Cohen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for prevention, suppression or mitigation of e...
- Patent number 6,012,532
- Issue date Jan 11, 2000
- Karl F. Kiefer
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Apparatus and method for supporting pipe main repair tools in an ex...
- Patent number 5,624,206
- Issue date Apr 29, 1997
- Brooklyn Union Gas Co.,
- John H. Cohen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus and method for shutting off fluid flow in a pipe main
- Patent number 5,462,077
- Issue date Oct 31, 1995
- Brooklyn Union Gas Co.
- John H. Cohen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotary rapid excavation system
- Patent number 4,949,795
- Issue date Aug 21, 1990
- Gas Research Institute
- William C. McDonald
- E21 - EARTH DRILLING MINING
Information Patent Grant
Steering system for percussion boring tools
- Patent number 4,632,191
- Issue date Dec 30, 1986
- Gas Research Institute
- William J. McDonald
- E21 - EARTH DRILLING MINING
Information Patent Grant
Percussion boring tool
- Patent number 4,621,698
- Issue date Nov 11, 1986
- Gas Research Institute
- Gerard T. Pittard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing hanger
- Patent number 4,152,015
- Issue date May 1, 1979
- Cameron Iron Works, Inc.
- Marvin R. Jones
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
RISER SYSTEM FOR COUPLING SELECTABLE MODULES TO THE RISER
- Publication number 20180179827
- Publication date Jun 28, 2018
- Enhanced Drilling, Inc.
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Application
RISER RESTRICTOR DEVICE
- Publication number 20160201426
- Publication date Jul 14, 2016
- Enhanced Drilling AS
- John H. COHEN
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR INSTALLING AN EXTERNAL LINE ON A DEPLOYED DRILLING RISER
- Publication number 20160168925
- Publication date Jun 16, 2016
- AGR SUBSEA, AS
- Christian Bors
- E21 - EARTH DRILLING MINING
Information Patent Application
Direct Drive Fluid Pump for Subsea Mudlift Pump Drilling Systems
- Publication number 20140102805
- Publication date Apr 17, 2014
- AGR SUBSEA, AS
- Emil R. Talamo
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR CIRCULATING A FLUID ENTRY OUT OF A SUBSURFACE WELLBORE W...
- Publication number 20130186636
- Publication date Jul 25, 2013
- John Cohen
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR CIRCULATING A FLUID ENTRY OUT OF A SUBSURFACE WELLBORE W...
- Publication number 20110290494
- Publication date Dec 1, 2011
- John Cohen
- E21 - EARTH DRILLING MINING

John H. Cohen

Person

Patents Grantslast 30 patents

Riser system for coupling selectable modules to the riser

Riser restrictor device

Direct drive fluid pump for subsea mudlift pump drilling systems

Method for circulating a fluid entry out of a subsurface wellbore w...

Method for circulating a fluid entry out of a subsurface wellbore w...

Method and apparatus for prevention, suppression or mitigation of e...

Apparatus and method for supporting pipe main repair tools in an ex...

Apparatus and method for shutting off fluid flow in a pipe main

Rotary rapid excavation system

Steering system for percussion boring tools

Percussion boring tool

Casing hanger

Patents Applicationslast 30 patents

RISER SYSTEM FOR COUPLING SELECTABLE MODULES TO THE RISER

RISER RESTRICTOR DEVICE

METHOD FOR INSTALLING AN EXTERNAL LINE ON A DEPLOYED DRILLING RISER

Direct Drive Fluid Pump for Subsea Mudlift Pump Drilling Systems

METHOD FOR CIRCULATING A FLUID ENTRY OUT OF A SUBSURFACE WELLBORE W...

METHOD FOR CIRCULATING A FLUID ENTRY OUT OF A SUBSURFACE WELLBORE W...