Inventor · disambiguated record
Douglas G. Everson
Also filed as: EVERSON DOUGLAS · EVERSON DOUGLAS G
8 granted patents·67 citations·filing 1985–2018
86Inventor score
Top patents by PatentIndex Score
8 records- 0189US10612698B2Pipe with embedded wireADVANCED DRAINAGE SYST·Filed 2018·Granted Apr 7, 2020·3 cites·20 claims
- 0289US9341289B1Corrugated drainage pipe with protuberancesPLASTIC TUBING·Filed 2014·Granted May 17, 2016·9 cites·5 claims
- 0388US9958091B1Pipe with embedded wireADVANCED DRAINAGE SYST·Filed 2016·Granted May 1, 2018·3 cites·16 claims
- 0481US8240950B1Underground water retention system and associated methodsEVERSON DOUGLAS G·Filed 2009·Granted Aug 14, 2012·9 cites·33 claims
- 0581US7632408B1Passive drain field system for wastewater treatment and associated methodsPLASTIC TUBING·Filed 2008·Granted Dec 15, 2009·10 cites·12 claims
- 0667US7661903B1Low-pressure dosing system for sewage disposal and associated methodsPLASTIC TUBING·Filed 2008·Granted Feb 16, 2010·10 cites·11 claims
- 0760US8753036B1Underground water retention system and associated methodsEVERSON DOUGLAS G·Filed 2012·Granted Jun 17, 2014·2 cites·9 claims
- 0853US4681684AUniversal septic tank fittingPLASTIC TUBING·Filed 1985·Granted Jul 21, 1987·21 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →