Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RB

Robert S. Bierwith — 28 Patents

SUSuncor: 1 patents #7 of 22Top 35%
Alameda, CA: #37 of 1,067 inventorsTop 4%
California: #18,844 of 386,348 inventorsTop 5%
Overall (All Time): #136,215 of 4,157,543Top 4%
28 Patents All Time

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