Assignee
FERGUSON ANDREW M
US·4 granted patents·71 citations·filing 1977–2012
Technology mixE21B3
Top patents by PatentIndex Score
4 records- 0192US8210250B2Methods and devices for one trip plugging and perforating of oil and gas wellsFERGUSON ANDREW M·Filed 2011·Granted Jul 3, 2012·15 cites·3 claims
- 0291US8066059B2Methods and devices for one trip plugging and perforating of oil and gas wellsFERGUSON ANDREW M·Filed 2006·Granted Nov 29, 2011·36 cites·10 claims
- 0390US8403049B2Methods and devices for one trip plugging and perforating of oil and gas wellsFERGUSON ANDREW M·Filed 2012·Granted Mar 26, 2013·11 cites·15 claims
- 0469USD250641SWheelchair tireFERGUSON ANDREW M·Filed 1977·Granted Dec 26, 1978·9 cites·1 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →