Katy, Texas
United States
20
2025-01-28
The entities that hold a legal rights for patent applications filed by inventor Yuan Min Mark:
Min Mark Yuan from Katy, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Frac plug device for high expansion at the setting position
#2 | 2022-04-28Differential fill valve with collet sleeve
#3 | 2022-02-17DIFFERENTIAL FILL VALVE SLEEVE BALL ASSEMBLY
#4 | 2021-12-30Plug piston barrier
#5 | 2021-11-25Buoyancy assist tool
#6 | 2021-11-18Downhole apparatus
#7 | 2021-10-28Buoyancy assist tool
#8 | 2021-08-19Buoyancy assist tool with annular cavity and piston
#9 | 2021-08-12Threadless float equipment and method
#10 | 2021-07-29Downhole apparatus with removable plugs
#11 | 2021-06-03Buoyancy assist tool with waffle debris barrier
#12 | 2021-05-20Buoyancy assist tool with center diaphragm debris barrier
#13 | 2021-05-20BUOYANCY ASSIST TOOL WITH DEGRADABLE PLUG
#14 | 2021-05-13Downhole apparatus with degradable plugs
#15 | 2021-05-06Buoyancy assist tool with debris barrier
#16 | 2021-05-06Buoyancy assist tool with degradable nose
#17 | 2021-04-29Buoyancy assist tool with overlapping membranes
#18 | 2021-03-04Flapper disk for buoyancy assisted casing equipment
#19 | 2021-03-04Buoyancy assist tool with floating piston
#20 | 2012-11-29Premium mesh screen
3301693 ⎘