Robert S. Bierwith

Person

Alameda, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fasteners and fastener systems
- Patent number 11,959,257
- Issue date Apr 16, 2024
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Fastener systems having elongate arcuate body
- Patent number 11,371,223
- Issue date Jun 28, 2022
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Self-locking connector pin for demountably securing consumable grou...
- Patent number 9,920,504
- Issue date Mar 20, 2018
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Container lip for excavating equipment providing improved material...
- Patent number 9,840,828
- Issue date Dec 12, 2017
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic locking mechanism for securing teeth and tooth carrying a...
- Patent number 9,249,558
- Issue date Feb 2, 2016
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic locking mechanism for securing tooth carrying adapters to...
- Patent number 8,464,444
- Issue date Jun 18, 2013
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Quick release screw connector for earth-moving equipment
- Patent number 8,127,476
- Issue date Mar 6, 2012
- Berkeley Forge and Tool, Inc.
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Lip assembly including side portions with projections
- Patent number 7,559,162
- Issue date Jul 14, 2009
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Cam action locking assembly
- Patent number 7,121,022
- Issue date Oct 17, 2006
- Berkeley Forge and Tool, Inc.
- Robert Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Lip assembly
- Patent number 6,952,892
- Issue date Oct 11, 2005
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Lip assembly
- Patent number 6,751,897
- Issue date Jun 22, 2004
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Excavating bucket with replaceable wedge-locked teeth
- Patent number 6,675,509
- Issue date Jan 13, 2004
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Wedge-locking system and excavation bucket assembly with wedge-lock...
- Patent number 6,668,472
- Issue date Dec 30, 2003
- Robert Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Cleat assembly for trash compactor vehicle wheels
- Patent number 6,652,186
- Issue date Nov 25, 2003
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Excavating bucket with replaceable wedge-locked teeth
- Patent number 6,415,533
- Issue date Jul 9, 2002
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Excavating bucket with replaceable wedge-locked teeth
- Patent number 6,393,738
- Issue date May 28, 2002
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Excavating bucket with replaceable wedge-locked teeth
- Patent number 6,216,368
- Issue date Apr 17, 2001
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Bucket assembly with an improved lip
- Patent number 6,151,812
- Issue date Nov 28, 2000
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tooth assembly for excavation bucket
- Patent number 6,032,390
- Issue date Mar 7, 2000
- Robert Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Excavation bucket
- Patent number 5,680,717
- Issue date Oct 28, 1997
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tooth assembly for excavation bucket
- Patent number 5,526,592
- Issue date Jun 18, 1996
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tooth mounting adaptor for excavation bucket
- Patent number 5,417,518
- Issue date May 23, 1995
- Robert Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tooth mount for excavating bucket
- Patent number 5,134,793
- Issue date Aug 4, 1992
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tooth mounting apparatus for excavation bucket
- Patent number 5,052,134
- Issue date Oct 1, 1991
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Flexible locking pin
- Patent number 4,579,494
- Issue date Apr 1, 1986
- Robert S. Bierwith
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Digging tooth and bucket lip construction
- Patent number 4,570,365
- Issue date Feb 18, 1986
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Wedge and clamp locking system
- Patent number 4,413,432
- Issue date Nov 8, 1983
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Lip and tooth combination for bucket wheel excavator
- Patent number 4,360,981
- Issue date Nov 30, 1982
- Suncor Inc.
- Stanton F. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Fasteners and Fastener Systems
- Publication number 20240254733
- Publication date Aug 1, 2024
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Fasteners and Fastener Systems
- Publication number 20220316189
- Publication date Oct 6, 2022
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Fasteners and Fastener Systems
- Publication number 20210293002
- Publication date Sep 23, 2021
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
SELF-LOCKING CONNECTOR PIN FOR DEMOUNTABLY SECURING CONSUMABLE GROU...
- Publication number 20150376872
- Publication date Dec 31, 2015
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Hydraulic Locking Mechanism for Securing Teeth and Tooth Carrying A...
- Publication number 20130318839
- Publication date Dec 5, 2013
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Container Lip for Excavating Equipment Providing Improved Material...
- Publication number 20130047475
- Publication date Feb 28, 2013
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
HYDRAULIC LOCKING MECHANISM FOR SECURING TOOTH CARRYING ADAPTERS TO...
- Publication number 20110061271
- Publication date Mar 17, 2011
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Quick Release Screw Connector For Earth-Moving Equipment
- Publication number 20100162594
- Publication date Jul 1, 2010
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Lip assembly including side portions with projections
- Publication number 20050241195
- Publication date Nov 3, 2005
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Lip assembly
- Publication number 20050241194
- Publication date Nov 3, 2005
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Cam action locking assembly
- Publication number 20050229443
- Publication date Oct 20, 2005
- Robert Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Lip assembly
- Publication number 20030093928
- Publication date May 22, 2003
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Cleat assembly for trash compactor vehicle wheels
- Publication number 20030063951
- Publication date Apr 3, 2003
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Wedge-locking system and excavation bucket assembly with wedge-lock...
- Publication number 20030037467
- Publication date Feb 27, 2003
- Robert Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Excavating bucket with replaceable wedge-licked teeth
- Publication number 20020133986
- Publication date Sep 26, 2002
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Excavating bucket with replaceable wedge-locked teeth
- Publication number 20010020342
- Publication date Sep 13, 2001
- Robert S. Bierwith
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Robert S. Bierwith

Person

Patents Grantslast 30 patents

Fasteners and fastener systems

Fastener systems having elongate arcuate body

Self-locking connector pin for demountably securing consumable grou...

Container lip for excavating equipment providing improved material...

Hydraulic locking mechanism for securing teeth and tooth carrying a...

Hydraulic locking mechanism for securing tooth carrying adapters to...

Quick release screw connector for earth-moving equipment

Lip assembly including side portions with projections

Cam action locking assembly

Lip assembly

Lip assembly

Excavating bucket with replaceable wedge-locked teeth

Wedge-locking system and excavation bucket assembly with wedge-lock...

Cleat assembly for trash compactor vehicle wheels

Excavating bucket with replaceable wedge-locked teeth

Excavating bucket with replaceable wedge-locked teeth

Excavating bucket with replaceable wedge-locked teeth

Bucket assembly with an improved lip

Tooth assembly for excavation bucket

Excavation bucket

Tooth assembly for excavation bucket

Tooth mounting adaptor for excavation bucket

Tooth mount for excavating bucket

Tooth mounting apparatus for excavation bucket

Flexible locking pin

Digging tooth and bucket lip construction

Wedge and clamp locking system

Lip and tooth combination for bucket wheel excavator

Patents Applicationslast 30 patents

Fasteners and Fastener Systems

Fasteners and Fastener Systems

Fasteners and Fastener Systems

SELF-LOCKING CONNECTOR PIN FOR DEMOUNTABLY SECURING CONSUMABLE GROU...

Hydraulic Locking Mechanism for Securing Teeth and Tooth Carrying A...

Container Lip for Excavating Equipment Providing Improved Material...

HYDRAULIC LOCKING MECHANISM FOR SECURING TOOTH CARRYING ADAPTERS TO...

Quick Release Screw Connector For Earth-Moving Equipment

Lip assembly including side portions with projections

Lip assembly

Cam action locking assembly

Lip assembly

Cleat assembly for trash compactor vehicle wheels

Wedge-locking system and excavation bucket assembly with wedge-lock...

Excavating bucket with replaceable wedge-licked teeth

Excavating bucket with replaceable wedge-locked teeth