Calgary
Canada
5
2023-04-06
The entities that hold a legal rights for patent applications filed by inventor DURLING Leigh:
Leigh DURLING from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
HIGH EXPANSION MULTI-SLIP FRAC PLUG WITH NARROW CROSS-SECTION
#2 | 2022-03-17Compact lubricator and header system
#3 | 2019-08-01Compact lubricator and header system
#4 | 2014-04-03Lubricator with interchangeable ports
#5 | 2013-03-21SEALING BODY FOR WELL PERFORATION OPERATIONS
146512 ⎘