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European patent · EP3294990 · In force
Register entry
- Publication number
- EP3294990
- Application number
- EP16793504
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- May 12, 2016
- Published
- Mar 21, 2018
- Granted
- Jun 25, 2025
- Protection ends at the latest
- May 11, 2036
- Next annual fee due
- May 31, 2026
- IPC classes
- E21B 47/12 (2012.01)E21B 47/18 (2012.01)E21B 49/00 (2006.01)G01V 1/28 (2006.01)G01V 1/46 (2006.01)G01V 1/50 (2006.01)E21B 44/04 (2006.01)
- Priority
- US 201562160998 P 13.05.2015
- PCT application
- PCT/US2016/032019 12.05.2016
- PCT publication
- WO2016/183286 17.11.2016
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- May 7, 2026
Change
Published in Swissreg on 07.05.2026
- Jun 25, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 25.06.2025
Parties
Inventor
ANNO, Phil D.
Eureka Springs, AR 72632, US
PHAM, Son
Houston, Texas 77079, US
RAMSAY, Stacey C.
Houston, Texas 77079, US
The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.