loadpatents
Patent applications and USPTO patent grants for Ruhl; Michael C..The latest application filed is for "trenching system with hydraulically adjustable hub".
Patent | Date |
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Trenching system with hydraulically adjustable hub Grant 11,396,734 - Sewell , et al. July 26, 2 | 2022-07-26 |
Trenching System With Hydraulically Adjustable Hub App 20200018041 - Sewell; Cody L. ;   et al. | 2020-01-16 |
Trenching system with hydraulically adjustable hub Grant 10,422,107 - Sewell , et al. Sept | 2019-09-24 |
Trenching system Grant 10,378,179 - Ruhl , et al. A | 2019-08-13 |
Trenching System App 20170362795 - Ruhl; Michael C. ;   et al. | 2017-12-21 |
Trenching System With Hydraulically Adjustable Hub App 20170298594 - Sewell; Cody L. ;   et al. | 2017-10-19 |
Trenching system Grant 9,752,301 - Ruhl , et al. September 5, 2 | 2017-09-05 |
Trenching system with hydraulically adjustable hub Grant 9,695,573 - Sewell , et al. July 4, 2 | 2017-07-04 |
Trenching System With Hydraulically Adjustable Hub App 20150218777 - Sewell; Cody L. ;   et al. | 2015-08-06 |
Trenching System App 20140345169 - Ruhl; Michael C. ;   et al. | 2014-11-27 |
Trenching system Grant 8,806,784 - Ruhl , et al. August 19, 2 | 2014-08-19 |
Trenching System App 20130145657 - Ruhl; Michael C. ;   et al. | 2013-06-13 |
Trenching system Grant 8,375,605 - Ruhl , et al. February 19, 2 | 2013-02-19 |
Trenching System App 20110016754 - Ruhl; Michael C. ;   et al. | 2011-01-27 |
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