Inventor · disambiguated record
Duane D. Robertson
Also filed as: ROBERTSON DUANE D
9 granted patents·2 pending applications·443 citations·filing 1974–2003
91Inventor score
Files withROBERTSON DUANE D7
Top patents by PatentIndex Score
11 records- 0197US3980325AFitting for flexible plastic pipeROBERTSON DUANE D·Filed 1974·Granted Sep 14, 1976·137 cites·5 claims
- 0290US4789189APipe saddleROBERTSON DUANE D·Filed 1987·Granted Dec 6, 1988·82 cites·12 claims
- 0385US4336652ACutting tool for flexible plastic conduitROBERTSON DUANE D·Filed 1980·Granted Jun 29, 1982·42 cites·7 claims
- 0482US6810587B1Combined clamping and cutting tool for plastic pipesFiled 2003·Granted Nov 2, 2004·28 cites·25 claims
- 0582US6370780B1Spring-biased cutting tool for plastic pipesROBERTSON DUANE D·Filed 2000·Granted Apr 16, 2002·54 cites·10 claims
- 0678US5487571APipe fittingFiled 1994·Granted Jan 30, 1996·49 cites·42 claims
- 0769USD266736SCutting tool for flexible plastic conduitROBERTSON DUANE D·Filed 1980·Granted Nov 2, 1982·11 cites·1 claims
- 0863US6318761B1Replacement fitting for rigid, plastic pipesROBERTSON DUANE D·Filed 1999·Granted Nov 20, 2001·27 cites·29 claims
- 0944US4956916ACutting toolROBERTSON DUANE D·Filed 1988·Granted Sep 18, 1990·13 cites·4 claims
- 1041US2002033599A1Replacement fitting for rigid, plastic pipesFiled 2001·Application pending·0 cites
- 1137US2004070196A1Pipe fitting with an aid to accommodate a coring toolFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →