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Inventor profile of:

Robert W. EVANS

City:

Montgomery, Texas

Country:

United States

Published Applications:

33

Last publication date:

2025-07-03

Top Assignees for applications by Robert W. EVANS

The entities that hold a legal rights for patent applications filed by inventor EVANS Robert W.:

Recent patent applications by EVANS Robert W.

Robert W. EVANS from Montgomery, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2025-07-03
US20250215760A1
Fixed constructions

Adjustable Hydraulic Jarring Device

 #2 | 2024-09-26
US20240318522A1
Fixed constructions

Time-Controlled Cable-Head Cutter For Line Conveyed Tools

 #3 | 2024-03-21
US20240093562A1
Fixed constructions

Release lugs for a jarring device

 #4 | 2024-02-29
US20240068315A1
Fixed constructions

Predetermined load release device for a jar

 #5 | 2023-11-09
US20230358112A1
Fixed constructions

Adjustable hydraulic jarring device

 #6 | 2023-07-06
US20230212921A1
Fixed constructions

Time-Controlled-PRV Cable-Head Cutter For Line Conveyed Tools

 #7 | 2023-06-29
US20230203903A1
Fixed constructions

Time-controlled cable-head cutter for line conveyed tools

 #8 | 2023-05-04
US20230133516A1
Fixed constructions

Predetermined load release device for a jar

 #9 | 2023-02-28
US17501861
Fixed constructions

Time-controlled cable-head cutter for line conveyed tools

 #10 | 2023-02-09
US20230038426A1
Fixed constructions

Release lugs for a jarring device

 #11 | 2022-07-28
US20220235620A1
Fixed constructions

Release Mechanism for a Jarring Tool

 #12 | 2022-05-05
US20220136355A1
Fixed constructions

Release lugs for a jarring device

 #13 | 2021-12-16
US20210388688A1
Fixed constructions

Release lugs for a jarring device

 #14 | 2021-07-29
US20210230958A1
Fixed constructions

Predetermined load release device for a jar

 #15 | 2020-07-09
US20200217161A1
Fixed constructions

Release lugs for a jarring device

 #16 | 2020-02-13
US20200048976A1
Fixed constructions

Release lugs for a jarring device

 #17 | 2019-05-23
US20190153801A1
Fixed constructions

Predetermined load release device for a jar

 #18 | 2019-02-21
US20190055804A1
Fixed constructions

Release lugs for a jarring device

 #19 | 2018-09-06
US20180252064A1
Fixed constructions

Release lugs for a jarring device

 #20 | 2016-08-18
US20160237771A1
Fixed constructions

Release lugs for a jarring device

 #21 | 2016-08-11
US20160230489A1
Fixed constructions

Predetermined load release device for a jar

 #22 | 2014-09-11
US20140251691A1
Fixed constructions

Method and apparatus for improving the efficiency of a positive displacement motor for drilling and oil or gas well

 #23 | 2013-10-24
US20130277057A1
Fixed constructions

Hydraulic/mechanical tight hole jar

 #24 | 2013-07-04
US20130168092A1
Fixed constructions

Double-acting shock damper for a downhole assembly

 #25 | 2012-11-29
US20120298365A1
Fixed constructions

Compact jar for dislodging tools in an oil or gas well

 #26 | 2011-09-15
US20110220345A1
Fixed constructions

Dual acting locking jar

 #27 | 2011-04-14
US20110083851A1
Fixed constructions

Compact jar for dislodging tools in an oil or gas well

 #28 | 2011-03-03
US20110049777A1
Mechanical engineering

Belleville spring guide system

 #29 | 2010-12-23
US20100319930A1
Fixed constructions

Time-controlled release device for wireline conveyed tools

 #30 | 2009-01-22
US20090020287A1
Fixed constructions

Method and apparatus for decreasing drag force of trigger mechanism

 #31 | 2007-06-21
US20070138720A1
Mechanical engineering

Belleville spring guide system

 #32 | 2006-08-03
US20060169456A1
Fixed constructions

Jar with adjustable preload

 #33 | 2005-05-05
US20050092484A1
Fixed constructions

Downhole tool with pressure balancing
InventorID:

318263 ⎘