Inventor · disambiguated record
James E. Spangler
Also filed as: SPANGLER JAMES E
8 granted patents·575 citations·filing 1986–1993
91Inventor score
Top patents by PatentIndex Score
8 records- 0192US5339895ASintered spherical plastic bead prepack screen aggregateHALLIBURTON CO·Filed 1993·Granted Aug 23, 1994·156 cites·30 claims
- 0291US5293935ASintered metal substitute for prepack screen aggregateHALLIBURTON CO·Filed 1993·Granted Mar 15, 1994·82 cites·32 claims
- 0388US5377750ASand screen completionHALLIBURTON CO·Filed 1993·Granted Jan 3, 1995·119 cites·15 claims
- 0484US5190102ASintered metal substitute for prepack screen aggregateOTIS ENG CO·Filed 1991·Granted Mar 2, 1993·69 cites·22 claims
- 0581US5088554ASintered metal sand screenOTIS ENG CO·Filed 1990·Granted Feb 18, 1992·51 cites·19 claims
- 0670US5318119AMethod and apparatus for attaching well screens to base pipeHALLIBURTON CO·Filed 1992·Granted Jun 7, 1994·58 cites·21 claims
- 0751US4770336AWell screen centralizer and method for constructing centralizer and for joining of well screensHOWARD SMITH SCREEN COMPANY·Filed 1987·Granted Sep 13, 1988·23 cites·4 claims
- 0845US4681161AWell screen centralizer and method for constructing centralizer and for joining of well screensHOWARD SMITH SCREEN COMPANY·Filed 1986·Granted Jul 21, 1987·17 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when James E. Spangler files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →