Patent | Date |
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Fastener systems having elongate arcuate body Grant 11,371,223 - Bierwith June 28, 2 | 2022-06-28 |
Fasteners and Fastener Systems App 20210293002 - Bierwith; Robert S. | 2021-09-23 |
Self-locking connector pin for demountably securing consumable ground digging components to containers of earth moving equipment Grant 9,920,504 - Bierwith March 20, 2 | 2018-03-20 |
Container lip for excavating equipment providing improved material flow over lip Grant 9,840,828 - Bierwith December 12, 2 | 2017-12-12 |
Hydraulic locking mechanism for securing teeth and tooth carrying adapters to excavating buckets of excavating equipment Grant 9,249,558 - Bierwith February 2, 2 | 2016-02-02 |
Self-locking Connector Pin For Demountably Securing Consumable Ground Digging Components To Containers Of Earth Moving Equipment App 20150376872 - Bierwith; Robert S. | 2015-12-31 |
Hydraulic Locking Mechanism for Securing Teeth and Tooth Carrying Adapters to Excavating Buckets of Excavating Equipment App 20130318839 - Bierwith; Robert S. | 2013-12-05 |
Hydraulic locking mechanism for securing tooth carrying adapters to lips of excavating buckets and the like Grant 8,464,444 - Bierwith June 18, 2 | 2013-06-18 |
Container Lip for Excavating Equipment Providing Improved Material Flow Over Lip App 20130047475 - Bierwith; Robert S. | 2013-02-28 |
Quick release screw connector for earth-moving equipment Grant 8,127,476 - Bierwith March 6, 2 | 2012-03-06 |
Hydraulic Locking Mechanism For Securing Tooth Carrying Adapters To Lips Of Excavating Buckets And The Like App 20110061271 - Bierwith; Robert S. | 2011-03-17 |
Quick Release Screw Connector For Earth-Moving Equipment App 20100162594 - Bierwith; Robert S. | 2010-07-01 |
Lip assembly including side portions with projections Grant 7,559,162 - Bierwith July 14, 2 | 2009-07-14 |
Lip assembly including side portions with projections App 20050241195 - Bierwith, Robert S. | 2005-11-03 |
Lip assembly App 20050241194 - Bierwith, Robert S. | 2005-11-03 |
Lip assembly Grant 6,952,892 - Bierwith October 11, 2 | 2005-10-11 |
Lip assembly Grant 6,751,897 - Bierwith June 22, 2 | 2004-06-22 |
Excavating bucket with replaceable wedge-locked teeth Grant 6,675,509 - Bierwith January 13, 2 | 2004-01-13 |
Cleat assembly for trash compactor vehicle wheels Grant 6,652,186 - Bierwith November 25, 2 | 2003-11-25 |
Lip assembly App 20030093928 - Bierwith, Robert S. | 2003-05-22 |
Cleat assembly for trash compactor vehicle wheels App 20030063951 - Bierwith, Robert S. | 2003-04-03 |
Excavating bucket with replaceable wedge-licked teeth App 20020133986 - Bierwith, Robert S. | 2002-09-26 |
Excavating bucket with replaceable wedge-locked teeth Grant 6,393,738 - Bierwith May 28, 2 | 2002-05-28 |
Excavating bucket with replaceable wedge-locked teeth App 20010020342 - Bierwith, Robert S. | 2001-09-13 |
Excavating bucket with replaceable wedge-locked teeth Grant 6,216,368 - Bierwith April 17, 2 | 2001-04-17 |
Bucket assembly with an improved lip Grant 6,151,812 - Bierwith November 28, 2 | 2000-11-28 |
Excavation bucket Grant 5,680,717 - Bierwith October 28, 1 | 1997-10-28 |
Tooth assembly for excavation bucket Grant 5,526,592 - Bierwith June 18, 1 | 1996-06-18 |
Tooth mount for excavating bucket Grant 5,134,793 - Bierwith August 4, 1 | 1992-08-04 |
Tooth mounting apparatus for excavation bucket Grant 5,052,134 - Bierwith October 1, 1 | 1991-10-01 |
Digging tooth and bucket lip construction Grant 4,570,365 - Bierwith February 18, 1 | 1986-02-18 |
Lip and tooth combination for bucket wheel excavator Grant 4,360,981 - Bierwith , et al. November 30, 1 | 1982-11-30 |