Inventor · disambiguated record
Robert S. Bierwith
Also filed as: BIERWITH ROBERT · BIERWITH ROBERT S
28 granted patents·2 pending applications·944 citations·filing 1977–2024
98Inventor score
Top patents by PatentIndex Score
30 records- 0196US6032390ATooth assembly for excavation bucketFiled 1995·Granted Mar 7, 2000·114 cites·5 claims
- 0296US4413432AWedge and clamp locking systemBIERWITH ROBERT S·Filed 1982·Granted Nov 8, 1983·65 cites·5 claims
- 0394US11371223B2Fastener systems having elongate arcuate bodyBIERWITH ROBERT S·Filed 2021·Granted Jun 28, 2022·2 cites·17 claims
- 0494US9249558B2Hydraulic locking mechanism for securing teeth and tooth carrying adapters to excavating buckets of excavating equipmentBIERWITH ROBERT S·Filed 2013·Granted Feb 2, 2016·21 cites·20 claims
- 0594US8127476B2Quick release screw connector for earth-moving equipmentBIERWITH ROBERT S·Filed 2009·Granted Mar 6, 2012·31 cites·27 claims
- 0694US4570365ADigging tooth and bucket lip constructionBIERWITH ROBERT S·Filed 1983·Granted Feb 18, 1986·56 cites·1 claims
- 0792US9920504B2Self-locking connector pin for demountably securing consumable ground digging components to containers of earth moving equipmentBIERWITH ROBERT S·Filed 2015·Granted Mar 20, 2018·9 cites·15 claims
- 0892US6952892B1Lip assemblyBIERWITH ROBERT S·Filed 2003·Granted Oct 11, 2005·41 cites·14 claims
- 0992US6151812ABucket assembly with an improved lipFiled 1998·Granted Nov 28, 2000·77 cites·34 claims
- 1090US8464444B2Hydraulic locking mechanism for securing tooth carrying adapters to lips of excavating buckets and the likeBIERWITH ROBERT S·Filed 2010·Granted Jun 18, 2013·13 cites·22 claims
- 1190US7559162B2Lip assembly including side portions with projectionsBIERWITH ROBERT S·Filed 2005·Granted Jul 14, 2009·23 cites·12 claims
- 1290US6751897B2Lip assemblyFiled 2001·Granted Jun 22, 2004·37 cites·7 claims
- 1389US4360981ALip and tooth combination for bucket wheel excavatorSUNCOR INC·Filed 1977·Granted Nov 30, 1982·47 cites·14 claims
- 1483US5052134ATooth mounting apparatus for excavation bucketBIERWITH ROBERT S·Filed 1990·Granted Oct 1, 1991·49 cites·24 claims
- 1582US6393738B1Excavating bucket with replaceable wedge-locked teethFiled 2000·Granted May 28, 2002·29 cites·7 claims
- 1681US6675509B2Excavating bucket with replaceable wedge-locked teethFiled 2002·Granted Jan 13, 2004·28 cites·15 claims
- 1781US5417518ATooth mounting adaptor for excavation bucketFiled 1993·Granted May 23, 1995·42 cites·11 claims
- 1880US5526592ATooth assembly for excavation bucketFiled 1994·Granted Jun 18, 1996·43 cites·8 claims
- 1977US11959257B2Fasteners and fastener systemsBIERWITH ROBERT S·Filed 2022·Granted Apr 16, 2024·0 cites·20 claims
- 2076US5134793ATooth mount for excavating bucketBIERWITH ROBERT S·Filed 1991·Granted Aug 4, 1992·38 cites·12 claims
- 2176US4579494AFlexible locking pinBIERWITH ROBERT S·Filed 1983·Granted Apr 1, 1986·30 cites·1 claims
- 2275US6668472B2Wedge-locking system and excavation bucket assembly with wedge-locking systemFiled 2002·Granted Dec 30, 2003·21 cites·19 claims
- 2374US6415533B2Excavating bucket with replaceable wedge-locked teethFiled 2001·Granted Jul 9, 2002·17 cites·17 claims
- 2474US6216368B1Excavating bucket with replaceable wedge-locked teethFiled 1999·Granted Apr 17, 2001·32 cites·6 claims
- 2573US7121022B2Cam action locking assemblyBERKELEY FORGE AND TOOL INC·Filed 2004·Granted Oct 17, 2006·22 cites·20 claims
- 2673US6652186B2Cleat assembly for trash compactor vehicle wheelsFiled 2001·Granted Nov 25, 2003·18 cites·9 claims
- 2772US9840828B2Container lip for excavating equipment providing improved material flow over lipBIERWITH ROBERT S·Filed 2012·Granted Dec 12, 2017·5 cites·5 claims
- 2870US5680717AExcavation bucketFiled 1995·Granted Oct 28, 1997·34 cites·20 claims
- 2966US2024254733A1Fasteners and Fastener SystemsBIERWITH ROBERT S·Filed 2024·Application pending·0 cites
- 3044US2005241194A1Lip assemblyBIERWITH ROBERT S·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Robert S. Bierwith 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 →