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Robert S. Bierwith — 28 Patents

SUSuncor: 1 patents #7 of 22Top 35%
Alameda, CA: #39 of 1,067 inventorsTop 4%
California: #19,067 of 386,348 inventorsTop 5%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Robert S. Bierwith has been granted 28 US patents while listed as an inventor at Suncor. The first was granted in 1982 and the most recent in April 2024. Robert S. Bierwith ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Robert S. Bierwith in Alameda, CA, US.

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
11959257 Fasteners and fastener systems — 2024-04-16
11371223 Fastener systems having elongate arcuate body — 2022-06-28
9920504 Self-locking connector pin for demountably securing consumable ground digging components to containers of earth moving equipment — 2018-03-20
9840828 Container lip for excavating equipment providing improved material flow over lip — 2017-12-12
9249558 Hydraulic locking mechanism for securing teeth and tooth carrying adapters to excavating buckets of excavating equipment — 2016-02-02
8464444 Hydraulic locking mechanism for securing tooth carrying adapters to lips of excavating buckets and the like — 2013-06-18
8127476 Quick release screw connector for earth-moving equipment — 2012-03-06
7559162 Lip assembly including side portions with projections — 2009-07-14
7121022 Cam action locking assembly — 2006-10-17
6952892 Lip assembly — 2005-10-11
6751897 Lip assembly — 2004-06-22
6675509 Excavating bucket with replaceable wedge-locked teeth — 2004-01-13
6668472 Wedge-locking system and excavation bucket assembly with wedge-locking system — 2003-12-30
6652186 Cleat assembly for trash compactor vehicle wheels — 2003-11-25
6415533 Excavating bucket with replaceable wedge-locked teeth — 2002-07-09
6393738 Excavating bucket with replaceable wedge-locked teeth — 2002-05-28
6216368 Excavating bucket with replaceable wedge-locked teeth — 2001-04-17
6151812 Bucket assembly with an improved lip — 2000-11-28
6032390 Tooth assembly for excavation bucket — 2000-03-07
5680717 Excavation bucket — 1997-10-28
5526592 Tooth assembly for excavation bucket — 1996-06-18
5417518 Tooth mounting adaptor for excavation bucket — 1995-05-23
5134793 Tooth mount for excavating bucket — 1992-08-04
5052134 Tooth mounting apparatus for excavation bucket — 1991-10-01
4579494 Flexible locking pin — 1986-04-01

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