Inventor · disambiguated record
Darren C. Eller
Also filed as: ELLER DARREN · ELLER DARREN C
30 granted patents·4 pending applications·497 citations·filing 1999–2025
97Inventor score
Files withSARGENT MFG CO28ASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC3ELLER DARREN C2SHAMP DONALD T1
Top patents by PatentIndex Score
34 records- 0194US6282929B1Multipoint mortise lockSARGENT MFG CO·Filed 2000·Granted Sep 4, 2001·120 cites·19 claims
- 0290US11624204B2Vertical rod adjustment deviceSARGENT MFG CO·Filed 2020·Granted Apr 11, 2023·3 cites·20 claims
- 0390US7484777B2Electronic push retraction exit deviceSARGENT MFG CO·Filed 2006·Granted Feb 3, 2009·29 cites·28 claims
- 0488US9822552B2Electric latch retraction device for vertical rod door latchesSARGENT MFG CO·Filed 2013·Granted Nov 21, 2017·15 cites·20 claims
- 0588US7883123B2Electronic push retraction exit deviceSARGENT MFG CO·Filed 2009·Granted Feb 8, 2011·22 cites·20 claims
- 0685US7488012B2Thermal pin assemblySARGENT MFG CO·Filed 2006·Granted Feb 10, 2009·20 cites·26 claims
- 0783US12006735B2Universal dogging and electronic latch retractionSARGENT MFG CO·Filed 2020·Granted Jun 11, 2024·2 cites·21 claims
- 0880US6120071AMortise latch vertical rod exit deviceSARGENT MFG CO·Filed 1999·Granted Sep 19, 2000·52 cites·21 claims
- 0979US6860129B2Security classroom function lock mechanismSARGENT MFG CO·Filed 2002·Granted Mar 1, 2005·34 cites·32 claims
- 1079US6735993B2High strength lever handle lock mechanismSARGENT MFG CO·Filed 2003·Granted May 18, 2004·28 cites·15 claims
- 1179US6626018B2High strength lever handle lock mechanismSARGENT MFG CO·Filed 2001·Granted Sep 30, 2003·29 cites·20 claims
- 1277US8544903B1Roseless trim for architectural hardwareSHAMP DONALD T·Filed 2010·Granted Oct 1, 2013·11 cites·15 claims
- 1375US10920453B2Mortise lock with multi-point latch systemSARGENT MFG CO·Filed 2019·Granted Feb 16, 2021·2 cites·4 claims
- 1472US9714525B2Anti-ligature handle and escutcheon for operating a lockSARGENT MFG CO·Filed 2013·Granted Jul 25, 2017·6 cites·21 claims
- 1570US12286822B2Mortise lock with multi-point latch systemSARGENT MFG CO·Filed 2021·Granted Apr 29, 2025·0 cites·16 claims
- 1670US5992195ALever handle controller for mortise lockSARGENT MFG CO·Filed 1999·Granted Nov 30, 1999·40 cites·20 claims
- 1767US6880872B2Lever handle return spring assemblySARGENT MFG CO·Filed 2003·Granted Apr 19, 2005·23 cites·20 claims
- 1865US12071789B2Universal dogging and electronic latch retractionSARGENT MFG CO·Filed 2021·Granted Aug 27, 2024·0 cites·19 claims
- 1963US2025215728A1Exit device push force reducerASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2024·Application pending·0 cites
- 2062US6932486B1Mortise lock with lighted trim plate signSARGENT MFG CO·Filed 2004·Granted Aug 23, 2005·9 cites·14 claims
- 2161US6178794B1Lever handle controllerSARGENT MFG CO·Filed 1999·Granted Jan 30, 2001·20 cites·25 claims
- 2260USD690577SAnti-ligature lockELLER DARREN C·Filed 2012·Granted Oct 1, 2013·13 cites·1 claims
- 2359US11208832B2Mortise lock with multi-point latch systemSARGENT MFG CO·Filed 2017·Granted Dec 28, 2021·1 cites·33 claims
- 2458US9062475B1Roseless trim for architectural hardwareSARGENT MFG CO·Filed 2013·Granted Jun 23, 2015·2 cites·19 claims
- 2557US8438889B2Shaped top pin for bump resistant cylinderELLER DARREN C·Filed 2007·Granted May 14, 2013·4 cites·11 claims
- 2656US7828347B2Fire plate for a bored in lock assemblySARGENT MFG CO·Filed 2007·Granted Nov 9, 2010·1 cites·22 claims
- 2755US2024151066A1Dogging indicator for door exit deviceASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2023·Application pending·0 cites
- 2854US11352813B2Mortise lock with multi-point latch systemSARGENT MFG CO·Filed 2019·Granted Jun 7, 2022·0 cites·8 claims
- 2954US11105120B2Mortise lock with multi-point latch systemSARGENT MFG CO·Filed 2019·Granted Aug 31, 2021·0 cites·5 claims
- 3054US2025257589A1Exit device privacy functionSARGENT MFG CO·Filed 2025·Application pending·0 cites
- 3153US12067821B2Exit device with indicatorASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2021·Granted Aug 20, 2024·0 cites·15 claims
- 3245USD646549SPaddle trim assemblySARGENT MFG CO·Filed 2010·Granted Oct 11, 2011·6 cites·1 claims
- 3344US2020277813A1Load prevention for door latchesSARGENT MFG CO·Filed 2020·Application pending·0 cites
- 3442USD646548SPaddle trim assemblySARGENT MFG CO·Filed 2010·Granted Oct 11, 2011·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →