Hren; William J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hren; William J..The latest application filed is for "shovel stabilizer appendage".
- Hren; William J. - Wauwatosa WI
| Patent | Date |
|---|---|
| Systems and methods for controlling machine ground pressure and tipping Grant 11,242,669 - Lee , et al. February 8, 2 | 2022-02-08 |
| Rope shovel with non-linear digging assembly Grant 10,920,393 - Hren , et al. February 16, 2 | 2021-02-16 |
| Shovel handle with bail over dipper feature Grant 10,718,097 - Hren , et al. | 2020-07-21 |
| Shovel Stabilizer Appendage App 20190264506 - Hren; William J. | 2019-08-29 |
| Systems And Methods For Controlling Machine Ground Pressure And Tipping App 20180230673 - Lee; MooYoung ; et al. | 2018-08-16 |
| Shovel Handle With Bail Over Dipper Feature App 20170350089 - Hren; William J. ; et al. | 2017-12-07 |
| Reel system within boom Grant 9,809,944 - Hren , et al. November 7, 2 | 2017-11-07 |
| Rope Shovel With Non-linear Digging Assembly App 20170292242 - Hren; William J. ; et al. | 2017-10-12 |
| Rope shovel Grant 9,297,140 - Hren , et al. March 29, 2 | 2016-03-29 |
| Shovel Having A Wristing Dipper App 20150147146 - Hren; William J. ; et al. | 2015-05-28 |
| Rope shovel with curved boom Grant 9,009,994 - Hren , et al. April 21, 2 | 2015-04-21 |
| Shovel having a wristing dipper Grant 8,943,714 - Hren February 3, 2 | 2015-02-03 |
| Reel System Within Boom App 20150003950 - Hren; William J. ; et al. | 2015-01-01 |
| Rope Shovel With Curved Boom App 20140294550 - Hren; William J. ; et al. | 2014-10-02 |
| Dipper door latch with locking mechanism Grant 8,844,174 - Hren , et al. September 30, 2 | 2014-09-30 |
| Rope shovel with curved boom Grant 8,756,839 - Hren , et al. June 24, 2 | 2014-06-24 |
| Dipper Door Latch With Locking Mechanism App 20140079522 - Hren; William J. ; et al. | 2014-03-20 |
| Rope Shovel App 20140037414 - Hren; William J. ; et al. | 2014-02-06 |
| Dipper door latch with locking mechanism Grant 8,590,180 - Hren , et al. November 26, 2 | 2013-11-26 |
| Rope Shovel With Curved Boom App 20120195729 - Hren; William J. ; et al. | 2012-08-02 |
| Shovel Having A Wristing Dipper App 20120195730 - Hren; William J. | 2012-08-02 |
| Dipper door latch with locking mechanism Grant 8,136,272 - Hren , et al. March 20, 2 | 2012-03-20 |
| Dipper Door Latch With Locking Mechanism App 20110146114 - Hren; William J. ; et al. | 2011-06-23 |
| Dipper Door Latch With Locking Mechanism App 20100212194 - Hren; William J. ; et al. | 2010-08-26 |
| Dipper Door Latch With Locking Mechanism App 20070107269 - Hren; William J. ; et al. | 2007-05-17 |
| Skewed dipper Grant 6,434,862 - Hren August 20, 2 | 2002-08-20 |
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