PZ

Patrick J. Zimmerman

WE Weatherford/Lamb: 19 patents #28 of 852Top 4%
WH Weatherford Technology Holdings: 11 patents #42 of 753Top 6%
BH Baker Hughes Holdings: 6 patents #538 of 3,522Top 20%
Chevron: 1 patents #2,615 of 4,788Top 55%
📍 Houston, TX: #378 of 21,073 inventorsTop 2%
🗺 Texas: #2,807 of 125,132 inventorsTop 3%
Overall (All Time): #89,729 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
11851987 Obstruction relief in subterranean wellbores Robert Sword Avent, Harold Gordon Riordan 2023-12-26
10626690 Fill up tool Jimmy Duane Wiens, Yury P. Gutsu, Benson Thomas, Karsten Heidecke, Jim Hollingsworth +3 more 2020-04-21
9845656 Extended length packer with timed setting Charles D. Parker, Michael C. Derby, Brandon C. Goodman 2017-12-19
9745810 Fill up tool Jimmy Duane Wiens, Yury P. Gutsu, Benson Thomas, Karsten Heidecke, Jim Hollingsworth +3 more 2017-08-29
9593553 Sliding sleeve having contracting, segmented ball seat Michael Shane Larisey, Raymond C. Shaffer, Luke Richey, Scott Williamson 2017-03-14
9523264 Gravel pack crossover tool with low drag force John P. Broussard, Christopher A. Hall 2016-12-20
9447661 Gravel pack and sand disposal device John P. Broussard, Christopher A. Hall, Brian J. Ritchey, Ronald van Petegem 2016-09-20
9394773 Resettable ball seat Cesar G. Garcia, Charles D. Parker 2016-07-19
9163478 Inwardly swelling seal John P. Broussard, Christopher A. Hall, Glen Robitaille 2015-10-20
9085960 Gravel pack bypass assembly Ronald van Petegem, John P. Broussard, Christopher A. Hall 2015-07-21
9068435 Gravel pack inner string adjustment device John P. Broussard, Ronald van Petegem, Christopher A. Hall, Brian J. Ritchey, Rockni Van Clief 2015-06-30
9057251 Gravel pack inner string hydraulic locating device John P. Broussard, Ronald van Petegem, Christopher A. Hall, Brian J. Ritchey, Rockni Van Clief 2015-06-16
8893810 Arrangement of isolation sleeve and cluster sleeves having pressure chambers David Ward, Cesar G. Garcia 2014-11-25
8833471 Fill up tool Jimmy Duane Wiens, Yury P. Gutsu, Benson Thomas, Karsten Heidecke, Jim Hollingsworth +3 more 2014-09-16
8800670 Filler rings for swellable packers and method for using same Jeffrey J. Lembcke, David Ward 2014-08-12
8714272 Cluster opening sleeves for wellbore Cesar G. Garcia, David Ward, Antonio Flores, Michael Dedman 2014-05-06
8695709 Self-orienting crossover tool John P. Broussard, Christopher A. Hall 2014-04-15
8245788 Cluster opening sleeves for wellbore treatment and method of use Cesar G. Garcia, David Ward, Antonio Flores, Michael Dedman 2012-08-21
8087459 Packer providing multiple seals and having swellable element isolatable from the wellbore Rebecca Caldwell, Robert Coon, Henry Joe Jordan, Jr., David Ward 2012-01-03
8069918 Magnetic slip retention for downhole tool David Ward, Jonathan A. Young 2011-12-06
7789136 Non-metallic mandrel and element system Rocky A. Turley, Craig Fishbeck, Rami Al Oudat, Charles D. Parker, Michael R. Niklasch +4 more 2010-09-07
7789135 Non-metallic mandrel and element system Rocky A. Turley, Craig Fishbeck, Rami Al Oudat, Charles D. Parker, Michael R. Niklasch +4 more 2010-09-07
7789137 Non-metallic mandrel and element system Rocky A. Turley, Craig Fishbeck, Rami Al Oudat, Charles D. Parker, Michael R. Niklasch +4 more 2010-09-07
7779927 Non-metallic mandrel and element system Rocky A. Turley, Craig Fishbeck, Rami Al Oudat, Charles D. Parker, Michael R. Niklasch +4 more 2010-08-24
7779928 Non-metallic mandrel and element system Rocky A. Turley, Craig Fishbeck, Rami Al Oudat, Charles D. Parker, Michael R. Niklasch +4 more 2010-08-24