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CPC
E21B19/162
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B19/00
Handling rods, casings, tubes or the like outside the borehole
Current Industry
E21B19/162
cathead actuated
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and methods for tong operation
Patent number
10,822,893
Issue date
Nov 3, 2020
Weatherford Technology Holdings, LLC
Georg Zimbelmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Top drive with mounted winch
Patent number
9,175,526
Issue date
Nov 3, 2015
Tesco Corporation
Jonathan Brian O'Blenes
E21 - EARTH DRILLING MINING
Information
Patent Grant
System for measuring the torque applied to a threaded connection be...
Patent number
5,509,316
Issue date
Apr 23, 1996
Connection Technology Ltd.
Terry Hall
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Pipe spinner assembly
Patent number
4,649,778
Issue date
Mar 17, 1987
Clifford C. Bottoms
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for torque monitoring
Patent number
4,567,779
Issue date
Feb 4, 1986
Analog Data Systems, Inc.
Paul Byrne
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for use in drill string make up
Patent number
4,501,335
Issue date
Feb 26, 1985
Steven N. Gann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Torque control system for catheads
Patent number
4,444,273
Issue date
Apr 24, 1984
Glenn E. Ruby
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Pipe spinner assembly
Patent number
4,306,471
Issue date
Dec 22, 1981
Clifford C. Bottoms
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic catworks system
Patent number
4,253,354
Issue date
Mar 3, 1981
James L. Walker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic torque indicator
Patent number
4,202,208
Issue date
May 13, 1980
Joy Manufacturing Company
Joseph H. Byrne
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
3722331
Patent number
3,722,331
Issue date
Mar 27, 1973
E21 - EARTH DRILLING MINING
Information
Patent Grant
2916954
Patent number
2,916,954
Issue date
Dec 15, 1959
E21 - EARTH DRILLING MINING
Information
Patent Grant
2749091
Patent number
2,749,091
Issue date
Jun 5, 1956
E21 - EARTH DRILLING MINING
Information
Patent Grant
2682892
Patent number
2,682,892
Issue date
Jul 6, 1954
E21 - EARTH DRILLING MINING
Information
Patent Grant
2676789
Patent number
2,676,789
Issue date
Apr 27, 1954
E21 - EARTH DRILLING MINING
Information
Patent Grant
2640683
Patent number
2,640,683
Issue date
Jun 2, 1953
E21 - EARTH DRILLING MINING
Information
Patent Grant
2640684
Patent number
2,640,684
Issue date
Jun 2, 1953
E21 - EARTH DRILLING MINING
Information
Patent Grant
2565345
Patent number
2,565,345
Issue date
Aug 21, 1951
E21 - EARTH DRILLING MINING
Information
Patent Grant
2556267
Patent number
2,556,267
Issue date
Jun 12, 1951
E21 - EARTH DRILLING MINING
Information
Patent Grant
2556938
Patent number
2,556,938
Issue date
Jun 12, 1951
E21 - EARTH DRILLING MINING
Information
Patent Grant
2537403
Patent number
2,537,403
Issue date
Jan 9, 1951
E21 - EARTH DRILLING MINING
Information
Patent Grant
2527456
Patent number
2,527,456
Issue date
Oct 24, 1950
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
2526739
Patent number
2,526,739
Issue date
Oct 24, 1950
E21 - EARTH DRILLING MINING
Information
Patent Grant
2525069
Patent number
2,525,069
Issue date
Oct 10, 1950
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
2502998
Patent number
2,502,998
Issue date
Apr 4, 1950
E21 - EARTH DRILLING MINING
Information
Patent Grant
2493129
Patent number
2,493,129
Issue date
Jan 3, 1950
E21 - EARTH DRILLING MINING
Information
Patent Grant
2437129
Patent number
2,437,129
Issue date
Mar 2, 1948
E21 - EARTH DRILLING MINING
Information
Patent Grant
2436717
Patent number
2,436,717
Issue date
Feb 24, 1948
E21 - EARTH DRILLING MINING
Information
Patent Grant
2434333
Patent number
2,434,333
Issue date
Jan 13, 1948
E21 - EARTH DRILLING MINING
Information
Patent Grant
2391939
Patent number
2,391,939
Issue date
Jan 1, 1946
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
Information
Patent Application
TOP DRIVE WITH MOUNTED WINCH
Publication number
20130112430
Publication date
May 9, 2013
Tesco Corporation
Jonathan Brian O'Blenes
E21 - EARTH DRILLING MINING
Information
Patent Application
Device for Handling Pipes
Publication number
20090090221
Publication date
Apr 9, 2009
Jens Lutzhoft
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS