Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410357 | Use of percitric acid in oil- and gas-field operations | Taryn Forster, David Rauser | 2025-09-09 |
| 11944025 | Agricultural drill/planter/coulter/disc blade with step plane notch edge | — | 2024-04-02 |
| 11882777 | Agricultural sweep with wear resistant coating | — | 2024-01-30 |
| D897380 | Step plane notch edge of an agricultural drill/planter/coulter/disc blade | — | 2020-09-29 |
| D896851 | Agricultural drill / planter / coulter / disc blade with a step plane notch | — | 2020-09-22 |
| D878430 | Coulter blade | — | 2020-03-17 |
| D878431 | Disc blade | — | 2020-03-17 |
| 10390471 | Agricultural drill/planter/coulter/disc blade with sine wave edge | — | 2019-08-27 |
| D796559 | Agricultural blade | — | 2017-09-05 |
| 9545046 | Agricultural drill/planter/coulter/disc blade with ribs for strength | James T. Tibbles | 2017-01-17 |
| 9485901 | Drill/planter blade with concave edge | — | 2016-11-08 |
| 9192088 | Drill/planter blade with concave edge | — | 2015-11-24 |
| 9027664 | Wavy agricultural tillage blade with sharpened edge | — | 2015-05-12 |
| D694286 | Agricultural disc | — | 2013-11-26 |
| D693377 | Agricultural coulter | — | 2013-11-12 |
| 8100194 | Notched coulter/disc | — | 2012-01-24 |
| 7992651 | Wavy disc and coulter with notches | — | 2011-08-09 |
| 7905968 | Method of heat treating cultivating disc, coulter, and seed drill blades made from heat quenched boron steels, such that they can be roller re-edged and re-sharpened, and yet retain excellent toughness, hardness and wear characteristics, and are especially useful in dry sandy soils such as found in certain wheat growing regions | — | 2011-03-15 |
| 7882671 | Multi-layer co-extruded roofing membrane | Greg Sharrun, Richard Peng | 2011-02-08 |
| 7878262 | Notched coulter/disc and method of making same | — | 2011-02-01 |
| 7497270 | Variable wave coulter | — | 2009-03-03 |
| 6554079 | Earth working disc with large notches | — | 2003-04-29 |
| 6508147 | Earth working sweep | — | 2003-01-21 |
| 6119321 | Method of making an earth tilling sweep from disc scrap | — | 2000-09-19 |
| 5855246 | Agricultural disc | — | 1999-01-05 |