Assignee
DOWN HOLE INJECTION INC
US·4 granted patents·22 citations·filing 1997–2006
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0156US7150315B2Downhole fluid disposal apparatus and methodsDOWN HOLE INJECTION INC·Filed 2005·Granted Dec 19, 2006·6 cites·10 claims
- 0245US6886636B2Downhole fluid disposal apparatus and methodsDOWN HOLE INJECTION INC·Filed 2002·Granted May 3, 2005·12 cites·13 claims
- 0335US7401645B2Downhole fluid disposal apparatus and methodsDOWN HOLE INJECTION INC·Filed 2006·Granted Jul 22, 2008·0 cites·2 claims
- 0428US5979552ADual annulus production toolDOWN HOLE INJECTION INC·Filed 1997·Granted Nov 9, 1999·4 cites·22 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →