Individual holder
REITZ DONALD D
4 granted patents·81 citations·filing 2003–2006
Individually held — no corporate assignee on record.
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0189US7328749B2Method and apparatus for accumulating liquid and initiating upward movement when pumping a well with a sealed fluid displacement deviceREITZ DONALD D·Filed 2006·Granted Feb 12, 2008·36 cites·31 claims
- 0266US7191838B2Method and apparatus for pumping wells with a sealing fluid displacement deviceREITZ DONALD D·Filed 2006·Granted Mar 20, 2007·8 cites·44 claims
- 0364US7100695B2Gas recovery apparatus, method and cycle having a three chamber evacuation phase and two liquid extraction phases for improved natural gas productionREITZ DONALD D·Filed 2003·Granted Sep 5, 2006·30 cites·36 claims
- 0445US7080690B2Method and apparatus using traction seal fluid displacement device for pumping wellsREITZ DONALD D·Filed 2003·Granted Jul 25, 2006·7 cites·50 claims
Join the waitlist — get patent alerts
Get an alert when REITZ DONALD D files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →