Inventor
TWARDOWSKI ERIC M
US14 patents
⚠️ This page may combine multiple inventors who share the name “TWARDOWSKI ERIC M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEATHERFORD TECH HOLDINGS LLC
8 patentsUS10662743B2May 26, 2020
Wear bushing deployment and retrieval tool for subsea wellhead
WEATHERFORD TECH HOLDINGS LLC2 citations67
US9493989B2Nov 15, 2016
Subsea drilling with casing
WEATHERFORD TECH HOLDINGS LLC2 citations61
US11060383B2Jul 13, 2021
Wear bushing deployment and retrieval tool for subsea wellhead
WEATHERFORD TECH HOLDINGS LLC1 citations56
US10590733B2Mar 17, 2020
Method and apparatus for sealing tubulars
WEATHERFORD TECH HOLDINGS LLC0 citations51
US10161217B2Dec 25, 2018
Ball seat apparatus and method
WEATHERFORD TECH HOLDINGS LLC0 citations51
US9745821B2Aug 29, 2017
Method and apparatus for sealing tubulars
WEATHERFORD TECH HOLDINGS LLC1 citations51
US9719303B2Aug 1, 2017
Subsea drilling with casing
WEATHERFORD TECH HOLDINGS LLC0 citations51
US9488004B2Nov 8, 2016
Subsea casing drilling system
WEATHERFORD TECH HOLDINGS LLC0 citations51
TWARDOWSKI ERIC M
3 patentsUS8074749B2Dec 13, 2011
Earth removal member with features for facilitating drill-through
TWARDOWSKI ERIC M13 citations88
US8528669B2Sep 10, 2013
Earth removal member with features for facilitating drill-through
TWARDOWSKI ERIC M3 citations58
US9500044B2Nov 22, 2016
Tubular coupling device
TWARDOWSKI ERIC M1 citations49