Inventor · disambiguated record
Richard D. Keller
Also filed as: KELLER RICHARD · KELLER RICHARD D
11 granted patents·2 pending applications·207 citations·filing 1995–2015
91Inventor score
Top patents by PatentIndex Score
13 records- 0193US7219711B2Hydraulic door opening mechanism and method of installing a bi-fold doorHI FOLD DOOR CORP·Filed 2005·Granted May 22, 2007·47 cites·18 claims
- 0279US6547292B1Over center door closing mechanismHI FOLD DOOR CORP·Filed 2000·Granted Apr 15, 2003·25 cites·2 claims
- 0378US6123482ACross-connectors for tubular members forming frameworksFiled 1998·Granted Sep 26, 2000·42 cites·14 claims
- 0475US7029041B2Over center door closing mechanismKELLER RICHARD D·Filed 2003·Granted Apr 18, 2006·18 cites·13 claims
- 0568US8800208B2Hydraulic cylinder controlHI FOLD DOOR CORP·Filed 2012·Granted Aug 12, 2014·5 cites·12 claims
- 0667US9523233B2Swing doorHI-FOLD DOOR CORP·Filed 2013·Granted Dec 20, 2016·4 cites·2 claims
- 0762US8327586B2Hydraulic cylinder controlKELLER RICHARD D·Filed 2010·Granted Dec 11, 2012·4 cites·11 claims
- 0859US2010058668A1Swing doorKELLER RICHARD D·Filed 2008·Application pending·0 cites
- 0956US5540432AGolf tee and ball setterFiled 1995·Granted Jul 30, 1996·30 cites·10 claims
- 1051US5797697ACross-connectors for tubular members forming frameworksFiled 1996·Granted Aug 25, 1998·21 cites·7 claims
- 1136US2016045968A1Apparatus for electrochemically machining a metallic workpieceEMAG HOLDING GMBH·Filed 2015·Application pending·0 cites
- 1231US5873591AAccessory device and mount for wheelchairFiled 1997·Granted Feb 23, 1999·8 cites·7 claims
- 1328US5498237ASqueeze-actuated medicinal fluid applicatorFiled 1995·Granted Mar 12, 1996·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →