Landphair; Donald K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Landphair; Donald K..The latest application filed is for "planter row unit downforce control with ground view sensor".
Company Profile
3.30.18
- Landphair; Donald K. - Bettendorf IA
- Landphair; Donald K. - Moline IL
- Landphair; Donald K - Bettendorf IA
Patent Activity
| Patent | Date |
|---|---|
| Planter Row Unit Downforce Control With Ground View Sensor App 20220174859 - Walter; Jason D. ; et al. | 2022-06-09 |
| Planter row unit downforce control with ground view sensor Grant 11,202,404 - Walter , et al. December 21, 2 | 2021-12-21 |
| Fertilizer Meter With Motor Control And Method Thereof App 20210007274 - Prado; Cristian T. ; et al. | 2021-01-14 |
| Planter Row Unit Downforce Control With Ground View Sensor App 20200281111 - Walter; Jason D. ; et al. | 2020-09-10 |
| Work Vehicle With Ground Support Unit Having Non-treaded Area Aligned With Row Unit Component App 20200045872 - Landphair; Donald K. ; et al. | 2020-02-13 |
| Soil moisture-based planter downforce control Grant 10,143,128 - Landphair , et al. De | 2018-12-04 |
| System and method for consistent depth seeding to moisture Grant 9,801,332 - Landphair , et al. October 31, 2 | 2017-10-31 |
| Soil Moisture-based Planter Downforce Control App 20170265377 - Landphair; Donald K. ; et al. | 2017-09-21 |
| Soil moisture-based planter downforce control Grant 9,675,004 - Landphair , et al. June 13, 2 | 2017-06-13 |
| System And Method For Consistent Depth Seeding To Moisture App 20170086359 - Landphair; Donald K. ; et al. | 2017-03-30 |
| Soil Moisture-based Planter Downforce Control App 20170086361 - Landphair; Donald K. ; et al. | 2017-03-30 |
| System and method of calibrating the meter of a product distribution machine Grant 9,043,949 - Liu , et al. June 2, 2 | 2015-06-02 |
| Seeding machine for planting multiple seed varieties Grant 8,948,980 - Garner , et al. February 3, 2 | 2015-02-03 |
| Twin-row multiple variety planter and method of use Grant 8,863,676 - Brockmann , et al. October 21, 2 | 2014-10-21 |
| Seeding Machine For Planting Multiple Seed Varieties App 20140165891 - GARNER; ELIJAH B. ; et al. | 2014-06-19 |
| Method of calibrating the meter of a product distribution apparatus and monitoring method Grant 8,695,396 - Landphair , et al. April 15, 2 | 2014-04-15 |
| System And Method Of Calibrating The Meter Of A Product Distribution Machine App 20140076217 - LIU; JAMES Z. ; et al. | 2014-03-20 |
| Twin-row Multiple Variety Planter and Method of Use App 20140014013 - BROCKMANN; THOMAS C. ; et al. | 2014-01-16 |
| Control system and method of operating a product distribution machine Grant 8,577,561 - Green , et al. November 5, 2 | 2013-11-05 |
| Air seeder with GPS based on/off control of individual row units Grant 8,522,700 - Landphair September 3, 2 | 2013-09-03 |
| Particulate flow sensing for an agricultural implement Grant 8,504,310 - Landphair , et al. August 6, 2 | 2013-08-06 |
| Seed Spacing Monitoring System For Use In An Agricultural Seeder App 20130125800 - Landphair; Donald K. ; et al. | 2013-05-23 |
| Seed spacing monitoring system for use in an agricultural seeder Grant 8,365,679 - Landphair , et al. February 5, 2 | 2013-02-05 |
| Seed tube for an agricultural seeding machine Grant RE43,772 - Mariman , et al. October 30, 2 | 2012-10-30 |
| Control System And Method Of Operating A Product Distribution Machine App 20120232691 - Green; Lawrence D. ; et al. | 2012-09-13 |
| Seed Spacing Monitoring System For Use In An Agricultural Seeder App 20120046838 - Landphair; Donald K. ; et al. | 2012-02-23 |
| Method Of Calibrating The Meter Of A Product Distribution Apparatus And Monitoring Method App 20120036914 - Landphair; Donald K. ; et al. | 2012-02-16 |
| Air Seeder With Gps Based On/off Control Of Individual Row Units App 20100017073 - Landphair; Donald K. | 2010-01-21 |
| Seed tube for an agricultural seeding machine Grant 7,472,660 - Mariman , et al. January 6, 2 | 2009-01-06 |
| Seed tube for an agricultural seeding machine App 20070084387 - Mariman; Nathan A. ; et al. | 2007-04-19 |
| Locking row marker hydraulic cylinders in retracted transport condition Grant 5,484,025 - Landphair , et al. January 16, 1 | 1996-01-16 |
| Rephasing controlling/controlled hydraulic cylinders in folding implement frame Grant 5,449,042 - Landphair , et al. September 12, 1 | 1995-09-12 |
| Closed granular chemical handling system Grant 5,379,812 - McCunn , et al. * January 10, 1 | 1995-01-10 |
| Seed distribution system and method for a seeding implement Grant 5,161,473 - Landphair , et al. November 10, 1 | 1992-11-10 |
| Closed granular chemical handling system Grant 5,125,438 - McCunn , et al. June 30, 1 | 1992-06-30 |
| Closed granular chemical handling system Grant 5,060,701 - McCunn , et al. October 29, 1 | 1991-10-29 |
| Closed granular chemical handling system Grant 5,029,624 - McCunn , et al. July 9, 1 | 1991-07-09 |
| Radial engagement drive coupler Grant 4,690,260 - Landphair September 1, 1 | 1987-09-01 |
| Foldable frame flexing hinge Grant 4,607,708 - Landphair , et al. August 26, 1 | 1986-08-26 |
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