MD

Michael C. Derby

WH Weatherford Technology Holdings: 6 patents #96 of 753Top 15%
VS Vital Signs: 1 patents #21 of 35Top 60%
WE Weatherford/Lamb: 1 patents #476 of 852Top 60%
📍 Houston, TX: #2,881 of 21,073 inventorsTop 15%
🗺 Texas: #18,864 of 125,132 inventorsTop 20%
Overall (All Time): #641,984 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9845656 Extended length packer with timed setting Patrick J. Zimmerman, Charles D. Parker, Brandon C. Goodman 2017-12-19
9637997 Packer having swellable and compressible elements Brandon C. Goodman, Charles D. Parker 2017-05-02
9587458 Split foldback rings with anti-hooping band 2017-03-07
9567822 Downhole tool having setting valve for packing element 2017-02-14
9512693 Hydraulic set packer with piston to annulus communication 2016-12-06
9476280 Double compression set packer Brandon C. Goodman 2016-10-25
8695697 Downhole tool having setting valve for packing element 2014-04-15
5947170 Aseptic liquid filling Richard Q. Poynter, Jeffrey L. Price, Michael J. Schoenewolff 1999-09-07