ClassID:

135559

E21B40/00 - CPC Classification

Classification description:

Tubing catchers, automatically arresting the fall of oil-well tubing

Recent Application in this class:
#1
20260153012
2026-06-04

HYDRAULIC ACTUATED TOOL CATCHER

#2
20240191603
2024-06-13

SOCK FOR A FLOATING VESSEL

#3
20230399923
2023-12-14

Ball-clamp type fall arrester for drill pipe

#4
20230279740
2023-09-07

Catching dropped tubulars

#5
20230160282
2023-05-25

Catching dropped tubulars

#6
20220298890
2022-09-22

Overhead rotating safety tether ring

#7
20220074283
2022-03-10

Sock for a floating vessel

#8
20210010348
2021-01-14

Magnetorheological braking for well tubulars

#9
20200165882
2020-05-28

Safety device for attaching to a pipe string comprising a plurality of connected pipe sections

#10
20190203554
2019-07-04

Tubing hanger assembly with wellbore access, and method of supplying power to a wellbore

#11
20170350204
2017-12-07

Means for accommodating cables in tubing anchoring tools

#12
20170152717
2017-06-01

Device for securing and catching a cable in an oil well

#13
20140224470
2014-08-14

Elevator grip assurance

#14
20130206388
2013-08-15

Capture basket system for an underdeck pipehandling machine

#15
20130153212
2013-06-20

Speed activated closure assembly in a tubular and method thereof

#16
20130112479
2013-05-09

Tubular catcher system and method

#17
20130068482
2013-03-21

Drop in completion method

#18
20120055682
2012-03-08

Elevator grip assurance

#19
20080017371
2008-01-24

Method and apparatus for restraining tubular members during well servicing

#20
20050217846
2005-10-06

Device for a long well tool

#21
17938625
2024-02-20

Coiled tubing snap arrestor

#22
14718035
2018-03-06

Device for gripping an object in a constrained space