Inventor · disambiguated record
Robert R. Dewitt
Also filed as: DEWITT ROBERT · DEWITT ROBERT R
86 granted patents·12 pending applications·2,301 citations·filing 1976–2023
99Inventor score
Top patents by PatentIndex Score
98 records- 0199US11358175B2Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2021·Granted Jun 14, 2022·6 cites·21 claims
- 0299US11192144B2Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2020·Granted Dec 7, 2021·9 cites·19 claims
- 0399US10576505B2Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2018·Granted Mar 3, 2020·15 cites·21 claims
- 0499US9687883B2Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2015·Granted Jun 27, 2017·34 cites·35 claims
- 0599US9010517B2Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2014·Granted Apr 21, 2015·81 cites·19 claims
- 0699US8622194B2Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2012·Granted Jan 7, 2014·84 cites·31 claims
- 0799US7861844B2Method and apparatus for sorting itemsOPEX CORP·Filed 2008·Granted Jan 4, 2011·263 cites·30 claims
- 0898US10052661B2Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2017·Granted Aug 21, 2018·24 cites·53 claims
- 0998US8276740B2Material handling apparatus for sorting or retrieving itemsHAYDUCHOK GEORGE·Filed 2012·Granted Oct 2, 2012·95 cites·25 claims
- 1098US8104601B2Method and apparatus for delivering items to destination areasHAYDUCHOK GEORGE·Filed 2011·Granted Jan 31, 2012·118 cites·28 claims
- 1197US11478825B2Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2022·Granted Oct 25, 2022·2 cites·12 claims
- 1297US10494192B2Material handling apparatus with delivery vehiclesOPEX CORP·Filed 2017·Granted Dec 3, 2019·22 cites·25 claims
- 1397US10457483B2Method and apparatus for storing or retrieving itemsOPEX CORP·Filed 2017·Granted Oct 29, 2019·16 cites·26 claims
- 1497US10071857B2Method and apparatus for sorting or retreiving itemsOPEX CORP·Filed 2017·Granted Sep 11, 2018·32 cites·16 claims
- 1597US9815625B2Method and apparatus for sorting or retrieving itemsOPEX CORP·Filed 2016·Granted Nov 14, 2017·59 cites·18 claims
- 1697US9334116B2Method and apparatus for sorting or retreiving itemsOPEX CORP·Filed 2013·Granted May 10, 2016·58 cites·29 claims
- 1797US4863037AApparatus for the automated processing of bulk mail and the likeOPEX CORP·Filed 1986·Granted Sep 5, 1989·134 cites·250 claims
- 1896US11214438B2Method and apparatus for sorting or retreiving itemsOPEX CORP·Filed 2020·Granted Jan 4, 2022·6 cites·15 claims
- 1995US11332312B2Automated storage and retrieval system and methodsOPEX CORP·Filed 2020·Granted May 17, 2022·4 cites·14 claims
- 2095US10766712B2Material handling apparatus with delivery vehicles and recirculationOPEX CORP·Filed 2020·Granted Sep 8, 2020·4 cites·16 claims
- 2194US10633186B2Automated storage and retrieval system and methodsOPEX CORP·Filed 2018·Granted Apr 28, 2020·12 cites·32 claims
- 2293US11565283B1Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2022·Granted Jan 31, 2023·1 cites·18 claims
- 2393US10865053B2Delivery vehicle for material handling systemOPEX CORP·Filed 2019·Granted Dec 15, 2020·8 cites·22 claims
- 2493US10759601B2Automated storage and retrieval system and methodsOPEX CORP·Filed 2019·Granted Sep 1, 2020·9 cites·23 claims
- 2593US6303889B1Method and apparatus for sorting documents into a pre-defined sequenceOPEX CORP·Filed 2000·Granted Oct 16, 2001·69 cites·45 claims
- 2693US5558232AApparatus for sorting documentsOPEX CORP·Filed 1994·Granted Sep 24, 1996·95 cites·28 claims
- 2793US5310062AApparatus for automated mail extraction and remittance processingOPEX CORP·Filed 1992·Granted May 10, 1994·66 cites·118 claims
- 2892US11491513B1Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2022·Granted Nov 8, 2022·1 cites·21 claims
- 2992US5460273AApparatus for the automated processing of bulk mail having varied characteristicsOPEX CORP·Filed 1993·Granted Oct 24, 1995·71 cites·150 claims
- 3091US11319149B2Automated storage and retrieval system with detector for detecting items extending beyond dimensional thresholdOPEX CORP·Filed 2020·Granted May 3, 2022·3 cites·20 claims
- 3191US9932184B2Feeder for feeding document to document imaging system and method for feeding documentsOPEX CORP·Filed 2015·Granted Apr 3, 2018·4 cites·8 claims
- 3291US6311846B1Method and apparatus for sorting and acquiring image data for documentsOPEX CORP·Filed 2000·Granted Nov 6, 2001·47 cites·33 claims
- 3391US5926392ASystem and method for automated document processingOPEX CORP·Filed 1996·Granted Jul 20, 1999·151 cites·4 claims
- 3491US5464099AMethod for the automated processing of documents and bulk mailOPEX CORP·Filed 1994·Granted Nov 7, 1995·71 cites·204 claims
- 3590US10906761B2Feeder for feeding document to document imaging system and method for feeding documentsOPEX CORP·Filed 2017·Granted Feb 2, 2021·3 cites·22 claims
- 3687US5054620AApparatus for the automated processing of bulk mail and the likeOPEX CORP·Filed 1989·Granted Oct 8, 1991·36 cites·40 claims
- 3786US10940998B2Automated storage and retrieval systemOPEX CORP·Filed 2018·Granted Mar 9, 2021·6 cites·28 claims
- 3886US10703566B2Method and apparatus for sorting or retreiving itemsOPEX CORP·Filed 2018·Granted Jul 7, 2020·4 cites·16 claims
- 3986US8459632B2Method and apparatus for processing mail to obtain image data of contentsDEWITT ROBERT R·Filed 2012·Granted Jun 11, 2013·12 cites·39 claims
- 4086US5052168AMethod and apparatus for spreading open envelopesOPEX CORP·Filed 1990·Granted Oct 1, 1991·52 cites·18 claims
- 4184US11623820B2Method and apparatus for storing or retrieving itemsOPEX CORP·Filed 2021·Granted Apr 11, 2023·1 cites·10 claims
- 4283US10855864B2Document imaging system and method for imaging documentsOPEX CORP·Filed 2018·Granted Dec 1, 2020·3 cites·22 claims
- 4383US6505534B2Method and apparatus for processing envelopes containing contentsOPEX CORP·Filed 2001·Granted Jan 14, 2003·26 cites·35 claims
- 4483US2023398575A1Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2023·Application pending·0 cites
- 4582US12234093B2Method and apparatus for sorting or retrieving itemsOPEX CORP·Filed 2023·Granted Feb 25, 2025·0 cites·19 claims
- 4681US11938517B2Material handling apparatus for delivering or retrieving itemsOPEX CORP·Filed 2023·Granted Mar 26, 2024·0 cites·20 claims
- 4780US5810173AMethod and system for processing documentsOPEX CORP·Filed 1995·Granted Sep 22, 1998·51 cites·34 claims
- 4880US5054700AApparatus for the automated processing of bulk mail and the likeOPEX CORP·Filed 1989·Granted Oct 8, 1991·24 cites·29 claims
- 4979US8919084B2Method and apparatus for processing envelopes containing contentsALLEN JOHN·Filed 2011·Granted Dec 30, 2014·2 cites·26 claims
- 5078US8919570B2Apparatus for opening and sorting envelopesDEWITT ROBERT R·Filed 2012·Granted Dec 30, 2014·6 cites·26 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Robert R. Dewitt 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 →