Dretzka; Andrew P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dretzka; Andrew P..The latest application filed is for "conduit support structure for an industrial machine".
- Dretzka; Andrew P. - New Berlin WI
- Dretzka; Andrew P. - Cudahy WI
| Patent | Date |
|---|---|
| Conduit support structure for an industrial machine with pivot joint Grant 11,021,850 - Maki , et al. June 1, 2 | 2021-06-01 |
| Conduit Support Structure For An Industrial Machine App 20200040545 - Maki; Douglas ; et al. | 2020-02-06 |
| Conduit support structure for an industrial machine with hoist cable Grant 10,435,862 - Maki , et al. O | 2019-10-08 |
| Drive mechanism for mining attachment Grant 9,783,958 - Dretzka October 10, 2 | 2017-10-10 |
| Conduit Support Structure For An Industrial Machine App 20160281317 - Maki; Douglas ; et al. | 2016-09-29 |
| Conduit support structure for an industrial machine with saddle block Grant 9,382,685 - Maki , et al. July 5, 2 | 2016-07-05 |
| Drive Mechanism For Mining Attachment App 20150020636 - Dretzka; Andrew P. | 2015-01-22 |
| Conduit Support Structure For An Industrial Machine App 20140227071 - Maki; Douglas ; et al. | 2014-08-14 |
| Dragline with cantilevered side-access dump block Grant 5,636,460 - Dretzka June 10, 1 | 1997-06-10 |
| Assembly and method for tooth tip retention Grant 5,410,826 - Immel , et al. May 2, 1 | 1995-05-02 |
| Bucket dump block Grant 5,398,433 - Dretzka March 21, 1 | 1995-03-21 |
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