Inventor · disambiguated record
Douglas C. Hepler
Also filed as: HEPLER DOUGLAS · HEPLER DOUGLAS C · HEPLER DOUGLAS CHRISTOPHER
17 granted patents·2 pending applications·171 citations·filing 1992–2020
94Inventor score
Top patents by PatentIndex Score
19 records- 0182US9302416B1Single nozzle valve gatePOLYSHOT CORP·Filed 2014·Granted Apr 5, 2016·4 cites·8 claims
- 0272US6960072B1Hot sprue bushingPOLYSHOT CORP·Filed 2003·Granted Nov 1, 2005·10 cites·14 claims
- 0370USD946861SToothbrush shaped pet treatPOLYSHOT CORP·Filed 2019·Granted Mar 29, 2022·11 cites·1 claims
- 0463US5464343AMultitip hot runner systemPOLYSHOT CORP·Filed 1994·Granted Nov 7, 1995·24 cites·12 claims
- 0562US7261535B2Co-injection nozzleACUSHNET CO·Filed 2003·Granted Aug 28, 2007·5 cites·18 claims
- 0662US2016158983A1Perimeter ejection of an injection molded materialHEPLER DOUGLAS CHRISTOPHER·Filed 2014·Application pending·0 cites
- 0760USD948840SDual material pet treatPOLYSHOT CORP·Filed 2019·Granted Apr 19, 2022·7 cites·1 claims
- 0859USD910969SPet treatPOLYSHOT CORP·Filed 2020·Granted Feb 23, 2021·2 cites·1 claims
- 0957US5587188AMultitip hot runner systemPOLYSHOT CORP·Filed 1994·Granted Dec 24, 1996·19 cites·9 claims
- 1057US5334006AHot sprue bushing with interchangeable tip having multiple edge gatesPOLYSHOT CORP·Filed 1992·Granted Aug 2, 1994·21 cites·15 claims
- 1155US5551863ASelf-contained runnerless molding systemPOLYSHOT CORP·Filed 1994·Granted Sep 3, 1996·18 cites·10 claims
- 1254US9415535B2Multistage ejection of an injection molded materialHEPLER DOUGLAS CHRISTOPHER·Filed 2014·Granted Aug 16, 2016·0 cites·10 claims
- 1352US2018343895A1Process for manufacturing an injection molded pet treatHEPLER DOUGLAS CHRISTOPHER·Filed 2017·Application pending·0 cites
- 1451USD883606SHorned toad shaped pet treatPOLYSHOT CORP·Filed 2017·Granted May 12, 2020·4 cites·1 claims
- 1550US6095789AAdjustable hot sprue bushingPOLYSHOT CORP·Filed 1998·Granted Aug 1, 2000·18 cites·19 claims
- 1648US10131079B2Side gate nozzle assembly with a washer made of a shape memory alloyHEPLER DOUGLAS CHRISTOPHER·Filed 2016·Granted Nov 20, 2018·0 cites·10 claims
- 1748US5589206ACompact disc injection molding apparatusPOLYSHOT CORP·Filed 1994·Granted Dec 31, 1996·14 cites·11 claims
- 1847USD942015SOval-shaped dental chipHEPLER DOUGLAS CHRISTOPHER·Filed 2019·Granted Jan 25, 2022·4 cites·1 claims
- 1945US5213824AAdjustable hot sprue bushingPOLYSHOT CORP·Filed 1992·Granted May 25, 1993·10 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Douglas C. Hepler 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 →