Inventor

James W. Chambers

Inventor
Hackett, AR, US

Overview

49→
Patents
1982–2019
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 49 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling49%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
F16JPistons9%
Y10TTechnical subjects covered by former us classification9%
F16KValves7%
B60DVehicle connections5%
G01VGeophysics4%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for3%
B62DMotor vehicles3%
PatentTitleYear
10,392,872Pressure control device for use with a subterranean well201910,267,117Radial seal pressure reduction using internal pump201910,087,701Low profile rotating control device201810,077,604Sealing element mounting201810,053,943Annular sealing for use with a well201810,024,154Latch position indicator system and method201810,000,988Seal assemblies in subsea rotating control devices20189,988,871Apparatus and method for data transmission from a rotating control device20189,932,786Misalignment mitigation in a rotating control device20189,784,073'Rotating control device docking station'20179,567,817'Rotating control device radial seal protection'20179,523,252'Floating device running tool'20169,518,436'Positive retraction latch locking dog for a rotating control device'20169,404,346'Latch position indicator system and method'20169,371,697'Apparatus and method for data transmission from a rotating control device'20169,341,043'Seal element guide'20169,074,443'Apparatus and method for data transmission from a rotating control device'20159,010,433'Positive retraction latch locking dog for a rotating control device'20159,004,181'Low profile rotating control device'20158,939,235'Rotating control device docking station'20158,844,652'Interlocking low profile rotating control device'20148,826,988'Latch position indicator system and method'20148,714,240'Method for cooling a rotating control device'20148,701,796'System for drilling a borehole'20148,408,297'Remote operation of an oilfield device'20138,353,337'Method for cooling a rotating control head'20138,286,734'Low profile rotating control device'20128,113,291'Leak detection method for a rotating control head bearing assembly and its latch assembly using a comparator'20127,934,545'Rotating control head leak detection systems'20117,926,593'Rotating control device docking station'20117,926,560'Solid rubber packer for a rotating control device'20117,836,946'Rotating control head radial seal protection and leak detection systems'20107,779,903'Solid rubber packer for a rotating control device'20107,487,837'Riser rotating control device'20097,258,171'Internal riser rotating control head'20077,159,669'Internal riser rotating control head'20077,040,394'Active/passive seal rotating control head'20065,435,585'Folding ball hitch with safety chain anchor'1995D0349800'Trailer jack housing'19945,273,256'Quick-to-ground camper jack'19935,067,692'Swivel jack for a trailer tongue'1991D0317743'Fifth wheel hitch'19914,960,288'Mounting for fifth wheel hitch'1990D0304818'Trailer coupler yoke'19894,826,199'Fifth wheel hitch'1989D0300815'Fifth wheel hitch pin box'1989D0298676'Trailer jack'19884,763,917'Trailer coupler with improved ball clamp holding means and improved yoke'19884,352,505'Straddle mount trailer coupler'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1995Based in Rockford, IL, US· patent location history
1988–1995Patents assigned to ATWOOD IND INC (11)· patent assignee history
2006–2015Patents assigned to WEATHERFORD LAMB (19)· patent assignee history
2006–2018Based in Hackett, AR, US· patent location history
2012–2015Patents assigned to BAILEY THOMAS F (9)· patent assignee history
2012–2015Patents assigned to CHAMBERS JAMES W (8)· patent assignee history
2016–2019Patents assigned to WEATHERFORD TECH HOLDINGS LLC (14)· patent assignee history
2016–2019Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WEATHERFORD LAMB192006–2015
WEATHERFORD TECH HOLDINGS LLC142016–2019
ATWOOD IND INC111988–1995
BAILEY THOMAS F92012–2015
CHAMBERS JAMES Wself82012–2015
Locations
LocationPatentsSpan
Hackett, AR, US282006–2018
Rockford, Illinois, US121982–1995
Houston, Texas, US92016–2019