Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12336636 | Posturized pocketed spring comfort layer | Darrell A. Richmond | 2025-06-24 |
| 12245701 | Sectioned pocketed spring assembly | Darrell A. Richmond, Bernhard Bauer, Urs Liechti, Andreas Meier | 2025-03-11 |
| 11109686 | Method of making a continuous string of pocketed springs | Darrell A. Richmond, Bernhard Bauer, Urs Liechti, Andreas Meier | 2021-09-07 |
| D883002 | Continuous spring | Darrell A. Richmond, Thomas W. Wells | 2020-05-05 |
| D825974 | Continuous spring | Darrell A. Richmond, Thomas W. Wells | 2018-08-21 |
| 10010189 | Pocketed spring assembly comprising strings of springs of different heights and enhanced ventilation | Darrell A. Richmond | 2018-07-03 |
| 10010190 | Pocketed spring assembly | Darrell A. Richmond, Thomas W. Wells | 2018-07-03 |
| D820007 | Spring element | — | 2018-06-12 |
| 9370252 | Pocketed spring assembly | Darrell A. Richmond, Thomas W. Wells | 2016-06-21 |
| 9332856 | Pocketed spring assembly comprising strings of springs of different heights and enhanced ventilation | Darrell A. Richmond | 2016-05-10 |
| 9138801 | Method of making a spring core for a bedding or seating product | Niels S. Mossbeck, Darrell A. Richmond | 2015-09-22 |
| 8893388 | Method of making spring core for a bedding or seating product | Niels S. Mossbeck, Darrell A. Richmond | 2014-11-25 |
| 8429779 | Bedding or seating product made with coil springs having unknotted end turns with bumps | Niels S. Mossbeck, Darrell A. Richmond | 2013-04-30 |
| 8429772 | Coil spring having unknotted end turns with bumps | Niels S. Mossbeck, Darrell A. Richmond | 2013-04-30 |
| 7921561 | Bedding or seating product made with coil springs having unknotted end turns with bumps | Niels S. Mossbeck, Darrell A. Richmond | 2011-04-12 |
| D575564 | Top portion of a spring core | Niels S. Mossbeck, Darrell A. Richmond | 2008-08-26 |
| D574168 | End portion of a coil spring | Niels S. Mossbeck, Darrell A. Richmond | 2008-08-05 |
| 7386897 | Bedding or seating product made with coil springs having unknotted end turns | Niels S. Mossbeck | 2008-06-17 |
| D531436 | End portion of a coil spring | Niels S. Mossbeck | 2006-11-07 |
| D530120 | End portion of a coil spring | Niels S. Mossbeck | 2006-10-17 |
| D528833 | Top portion of a spring core | Niels S. Mossbeck | 2006-09-26 |
| D528329 | Top portion of a spring core | Niels S. Mossbeck | 2006-09-19 |
| D528330 | Top portion of a spring core | Niels S. Mossbeck | 2006-09-19 |
| D527932 | Top portion of a spring core | Niels S. Mossbeck | 2006-09-12 |
| D382741 | Top portion of a spring core | — | 1997-08-26 |