Inventor

Jeffrey J. Lembcke

Inventor
Cypress, TX, US

Overview

50→
Patents
1989–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 50 as inventor

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

E21Bprimary
E21BEarth or rock drilling55%
F04BPositive-displacement machines for liquids10%
G01DMeasuring not specially adapted for a specific variable7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G01VGeophysics7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
E21CMining or quarrying2%
F16FSprings2%
G01MTesting static or dynamic balance of machines or structures2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
10,890,175Direct drive pumping unit202110,883,349Bottom hole assembly for configuring between artificial lift systems202110,844,852Long-stroke pumping unit202010,794,173Bearing fault detection for surface pumping units202010,760,386Slant well pumping unit202010,619,464Hydraulic pumping system with detection of fluid in gas volume202010,590,767Apparatus and methods for cemented multi-zone completions202010,215,012Apparatus and method of monitoring a rod pumping unit201910,196,883Long-stroke pumping unit201910,167,707Rod string rotation during well pumping operations201910,167,865Hydraulic pumping system with enhanced piston rod sealing201910,113,544Long-stroke pumping unit20189,926,783'Apparatus and methods for cemented multi-zone completions'20189,664,009'Apparatuses, systems, and methods for forming in-situ gel pills to lift liquids from horizontal wells'20179,212,533'Cable by-pass for spooled cables'20159,140,113'Instrumented rod rotator'20158,997,854'Swellable packer anchors'20158,960,279'Erosional protection of fiber optic cable'20158,800,670'Filler rings for swellable packers and method for using same'20148,763,706'Self-boosting, non-elastomeric resilient seal for check valve'20148,522,936'Shock absorber for sliding sleeve in well'20138,496,053'Erosional protection of fiber optic cable'20138,485,263'Multi-sleeve plunger for plunger lift system'20138,397,802'Swellable packer slip mechanism'20138,118,100'Debris protection for sliding sleeve'20127,870,907'Debris protection for sliding sleeve'20117,861,790'Injection valve and method'20117,503,389'Method and apparatus for downhole artificial lift system protection'20097,455,116'Injection valve and method'20087,296,633'Flow control apparatus for use in a wellbore'20077,201,221'Wellbores utilizing fiber optic-based sensors and operating devices'20077,195,070'Method and apparatus for downhole artificial lift system protection'20077,040,390'Wellbores utilizing fiber optic-based sensors and operating devices'20066,828,547'Wellbores utilizing fiber optic-based sensors and operating devices'20046,787,758'Wellbores utilizing fiber optic-based sensors and operating devices'20046,531,694'Wellbores utilizing fiber optic-based sensors and operating devices'20036,516,889'High-load big bore lock'20036,281,489'Monitoring of downhole parameters and tools utilizing fiber optics'20016,173,788'Wellpacker and a method of running an I-wire or control line past a packer'20016,158,714'Adjustable orifice valve'20005,893,413'Hydrostatic tool with electrically operated setting mechanism'19995,806,590'Torque-resistant slip'19985,749,585'Downhole tool sealing system with cylindrical biasing member with narrow width and wider width openings'19985,667,016'Packer with back-up retrieving method'19975,592,991'Method and apparatus of installing a whipstock'19975,584,488'Seal'19965,526,884'Downhole tool release mechanism'19965,425,418'Multiple-completion packer and locking element therefor'19954,811,792'Well tool stabilizer and method'19894,796,708'Electrically actuated safety valve for a subterranean well'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2007Patents assigned to BAKER HUGHES INC (16)· patent assignee history
1989Based in Broken Arrow, OK, US· patent location history
1995–2017Based in Houston, TX, US· patent location history
2003–2021Based in Cypress, TX, US· patent location history
2007–2015Patents assigned to WEATHERFORD LAMB (14)· patent assignee history
2009–2013Patents assigned to LEMBCKE JEFFREY (3)· patent assignee history
2013–2015Patents assigned to LEMBCKE JEFFREY J (7)· patent assignee history
2018–2021Patents assigned to WEATHERFORD TECH HOLDINGS LLC (13)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC161989–2007
WEATHERFORD LAMB142007–2015
WEATHERFORD TECH HOLDINGS LLC132018–2021
LEMBCKE JEFFREY Jself72013–2015
LEMBCKE JEFFREYself32009–2013
Locations
LocationPatentsSpan
Cypress, Texas, US282003–2021
Houston, Texas, US201995–2017
Broken Arrow, OK, US21989