John E. Tschirky

Person

Long Beach, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Downhole fire control
- Patent number 4,562,853
- Issue date Jan 7, 1986
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
In-hole motor drill with locking bit clutch
- Patent number 4,386,666
- Issue date Jun 7, 1983
- Smith International, Inc.
- Gary M. Crase
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealed bearing means for in hole motors
- Patent number 4,329,127
- Issue date May 11, 1982
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bearing assembly
- Patent number 4,220,380
- Issue date Sep 2, 1980
- Smith International Inc.
- Gary M. Crase
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole fire control
- Patent number 4,213,508
- Issue date Jul 22, 1980
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling and casing landing apparatus and method
- Patent number 4,133,396
- Issue date Jan 9, 1979
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling with multiple in-hole motors
- Patent number 4,133,397
- Issue date Jan 9, 1979
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for enlarging underground arcuate bore holes
- Patent number 4,117,895
- Issue date Oct 3, 1978
- Smith International, Inc.
- Howard Ward
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealed bearings
- Patent number 4,098,561
- Issue date Jul 4, 1978
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Radial bearings
- Patent number 4,029,368
- Issue date Jun 14, 1977
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Progressive cavity transducer
- Patent number 3,999,901
- Issue date Dec 28, 1976
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Circulation sub for in-hole hydraulic motors
- Patent number 3,989,114
- Issue date Nov 2, 1976
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Floating flow restrictors for fluid motors
- Patent number 3,982,859
- Issue date Sep 28, 1976
- Smith International Corporation, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Spring-loaded bearings for in-hole motors
- Patent number 3,982,797
- Issue date Sep 28, 1976
- Smith International Corporation, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Segmented stator for progressive cavity transducer
- Patent number 3,982,858
- Issue date Sep 28, 1976
- Smith International Corporation, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wafer elements for progressing cavity stators
- Patent number 3,975,121
- Issue date Aug 17, 1976
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wafer elements for progressing cavity stators
- Patent number 3,975,120
- Issue date Aug 17, 1976
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Floating flow restrictors for fluid motors
- Patent number 3,936,247
- Issue date Feb 3, 1976
- Smith International, Inc.
- John E. Tschirky
- E21 - EARTH DRILLING MINING

John E. Tschirky

Person

Patents Grantslast 30 patents

Downhole fire control

In-hole motor drill with locking bit clutch

Sealed bearing means for in hole motors

Bearing assembly

Downhole fire control

Drilling and casing landing apparatus and method

Drilling with multiple in-hole motors

Apparatus and method for enlarging underground arcuate bore holes

Sealed bearings

Radial bearings

Progressive cavity transducer

Circulation sub for in-hole hydraulic motors

Floating flow restrictors for fluid motors

Spring-loaded bearings for in-hole motors

Segmented stator for progressive cavity transducer

Wafer elements for progressing cavity stators

Wafer elements for progressing cavity stators

Floating flow restrictors for fluid motors