HARFST; Michael D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for HARFST; Michael D..The latest application filed is for "saw chain link with one or more oversized rivet holes".
- HARFST; Michael D. - Milwaukie OR
| Patent | Date |
|---|---|
| Saw Chain Link With One Or More Oversized Rivet Holes App 20220219350 - HARFST; Michael D. ; et al. | 2022-07-14 |
| Targeted Oil Delivery For Chain Saw Bars App 20220143860 - Burmester; Eric M. ; et al. | 2022-05-12 |
| Saw chain link with one or more oversized rivet holes Grant 11,273,573 - Harfst , et al. March 15, 2 | 2022-03-15 |
| Saw chain presets Grant 11,247,363 - Seigneur , et al. February 15, 2 | 2022-02-15 |
| High efficiency saw chain Grant 11,090,741 - Torres Delgado , et al. August 17, 2 | 2021-08-17 |
| High Efficiency Saw Chain App 20200180053 - Torres Delgado; Roberto de Jesus ; et al. | 2020-06-11 |
| Tie rivet for saw chain Grant 10,406,715 - Harfst , et al. Sept | 2019-09-10 |
| Saw Chain Presets App 20190224880 - Seigneur; Christopher D. ; et al. | 2019-07-25 |
| Bumper drive link Grant D843,802 - Torres Delgado , et al. | 2019-03-26 |
| Cutter for saw chain Grant D842,910 - Hutsell , et al. | 2019-03-12 |
| Tie strap Grant D839,720 - Cunnington , et al. Fe | 2019-02-05 |
| Tie strap with hardened integrated rivet for a saw chain Grant 10,195,759 - Seigneur , et al. Fe | 2019-02-05 |
| High Efficiency Saw Chain App 20180326610 - Torres Delgado; Roberto de Jesus ; et al. | 2018-11-15 |
| Formed wire tie strap with integrated rivet for a saw chain Grant 9,757,808 - Harfst , et al. September 12, 2 | 2017-09-12 |
| Saw Chain Link With One Or More Oversized Rivet Holes App 20170197327 - Harfst; Michael D. ; et al. | 2017-07-13 |
| Tie Rivet For Saw Chain App 20160221209 - Harfst; Michael D. ; et al. | 2016-08-04 |
| Tie Strap With Hardened Integrated Rivet For A Saw Chain App 20160193749 - Seigneur; Christopher D. ; et al. | 2016-07-07 |
| Apparatus, method, and system for orienting a saw chain link on a sprocket Grant 9,038,519 - Goettel , et al. May 26, 2 | 2015-05-26 |
| Apparatus, Method, And System For Orienting A Saw Chain Link On A Sprocket App 20140259700 - Goettel; Mike ; et al. | 2014-09-18 |
| Formed Wire Tie Strap With Integrated Rivet For A Saw Chain App 20140260875 - Harfst; Michael D. ; et al. | 2014-09-18 |
| Saw Chain Having Multiple Drive Link Configurations App 20080011144 - Harfst; Michael D. ; et al. | 2008-01-17 |
| Saw chain having drive link with guard feature Grant 6,748,840 - Harfst June 15, 2 | 2004-06-15 |
| Saw chain having drive link with guard feature App 20040025355 - Harfst, Michael D. | 2004-02-12 |
| Depth gauge for cutter Grant 6,446,534 - Harfst September 10, 2 | 2002-09-10 |
| Chain saw bar fluid passage system Grant 5,050,303 - Sinclair , et al. September 24, 1 | 1991-09-24 |
| Chain link with folded over connecting portions Grant 4,813,323 - Harfst March 21, 1 | 1989-03-21 |
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