Inventor
Steven K. Tetzlaff
Inventor
Owasso, OK, US
Overview
Patents· 35 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling39%
F04DNon-positive-displacement pumps20%
F04BPositive-displacement machines for liquids10%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids5%
Y10TTechnical subjects covered by former us classification5%
F16CShafts3%
H01RElectrically-conductive connections3%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines3%
H02KDynamo-electric machines3%
F16KValves2%
PatentTitleYear
10,371,154Apparatus, system and method for pumping gaseous fluid20199,885,353'Pressure relief mechanism for linear actuator well pump'20189,777,560'Auxiliary face seal for submersible well pump seal section'20179,726,166'Magnetic rotational to linear actuator for well pumps'20179,719,523'Apparatus, system and method for pumping gaseous fluid'20179,353,752'Compliant abrasion resistant bearings for a submersible well pump'20169,080,436'Connection assembly for through tubing conveyed submersible pumps'20158,985,972'Isolating wet connect components for deployed electrical submersible pumps'20158,919,432'Apparatus, system and method for reducing gas intake in horizontal submersible pump assemblies'20148,844,636'Hydraulic assist deployment system for artificial lift systems'20148,845,308'Electric submersible pump (ESP) thrust module with enhanced lubrication and temperature dissipation'20148,830,471'Measuring operational parameters in an ESP seal with fiber optic sensors'20148,821,137'Modular down hole gauge for use in retrievable electric submersible pump systems with wet connect'20148,708,675'Systems and methods of using subsea frames as a heat exchanger in subsea boosting systems'20148,684,679'Abrasion resistance in well fluid wetted assemblies'20148,651,837'Modular bellows with instrumentation umbilical conduit for electrical submersible pump system'20148,439,119'Latching mechanism for changing pump size'20138,397,822'Multiphase conductor shoe for use with electrical submersible pump'20138,382,508'High voltage mechanical splice connector'20138,358,043'Enhanced thermal conductivity material in annular gap between electrical motor stator and housing'20138,096,169'Seal section assembly mechanical face seal integrity verification tool'20128,079,418'Plug in pump for inverted shroud assembly'20117,921,908'Gas restrictor for horizontally oriented pump'20117,611,339'Tri-line power cable for electrical submersible pump'20097,575,458'Hi-dielectric debris seal for a pothead interface'20096,702,027'Gas dissipation chamber for through tubing conveyed ESP pumping systems'2004RE037995'Progressive cavity pump with flexible coupling'20036,412,563'System and method for enhanced conditioning of well fluids circulating in and around artificial lift assemblies'20026,328,111'Live well deployment of electrical submersible pump'20016,289,990'Production tubing shunt valve'20016,193,474'Guide member details for a through-tubing retrievable well pump'20015,988,992'Retrievable progressing cavity pump rotor'19995,954,483'Guide member details for a through-tubing retrievable well pump'19995,842,521'Downhole pressure relief valve for well pump'19985,501,580'Progressive cavity pump with flexible coupling'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2018Patents assigned to BAKER HUGHES INC (31)· patent assignee history
1996–2003Based in Riverside, CA, US· patent location history
1998–2004Based in Huntington Beach, CA, US· patent location history
2009–2019Based in Owasso, OK, US· patent location history
2011–2015Patents assigned to TETZLAFF STEVEN K (13)· patent assignee history
2011–2014Patents assigned to BROWN DONN J (2)· patent assignee history
2014–2017Patents assigned to SUMMIT ESP LLC (3)· patent assignee history
2014–2015Patents assigned to BEBAK KEN (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAKER HUGHES INC | 31 | 1996–2018 |
| TETZLAFF STEVEN Kself | 13 | 2011–2015 |
| SUMMIT ESP LLC | 3 | 2014–2017 |
| BEBAK KEN | 2 | 2014–2015 |
| BROWN DONN J | 2 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Owasso, OK, US | 25 | 2009–2019 |
| Huntington Beach, California, US | 8 | 1998–2004 |
| Riverside, California, US | 2 | 1996–2003 |