Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286817 | Retention patio leash for patio furniture | Christie L. Shaffer | 2025-04-29 |
| 11946271 | Umbrella base | Christie L. Shaffer | 2024-04-02 |
| 11047389 | Multi-stage scroll vacuum pumps and related scroll devices | Bryce R. Shaffer | 2021-06-29 |
| 10774690 | Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycle | Bryce R. Shaffer | 2020-09-15 |
| 10683865 | Scroll type device incorporating spinning or co-rotating scrolls | Bryce R. Shaffer, Russell Vigil | 2020-06-16 |
| 10519815 | Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump or combined organic rankine and heat pump cycle | Bryce R. Shaffer | 2019-12-31 |
| 10221852 | Multi stage scroll vacuum pumps and related scroll devices | Bryce R. Shaffer | 2019-03-05 |
| 9885358 | Three stage scroll vacuum pump | — | 2018-02-06 |
| 9784139 | Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycle | Bryce R. Shaffer | 2017-10-10 |
| 9074598 | Scroll type device including compressor and expander functions in a single scroll plate pair | Bryce R. Shaffer | 2015-07-07 |
| 9028230 | Three stage scroll vacuum pump | — | 2015-05-12 |
| 8668479 | Semi-hermetic scroll compressors, vacuum pumps, and expanders | — | 2014-03-11 |
| 8523544 | Three stage scroll vacuum pump | — | 2013-09-03 |
| 7942655 | Advanced scroll compressor, vacuum pump, and expander | — | 2011-05-17 |
| D534448 | Authentication device | Edward W. Vipond | 2007-01-02 |
| 6511308 | Scroll vacuum pump with improved performance | — | 2003-01-28 |
| 6439864 | Two stage scroll vacuum pump with improved pressure ratio and performance | — | 2002-08-27 |
| 6129530 | Scroll compressor with a two-piece idler shaft and two piece scroll plates | — | 2000-10-10 |
| 6050792 | Multi-stage scroll compressor | — | 2000-04-18 |
| 5759020 | Scroll compressor having tip seals and idler crank assemblies | — | 1998-06-02 |
| 5752816 | Scroll fluid displacement apparatus with improved sealing means | — | 1998-05-19 |
| D384449 | Blower outlet fitting | Edward W. Vipond | 1997-09-30 |
| 5632612 | Scroll compressor having a tip seal | — | 1997-05-27 |
| 5597290 | Multi-component fan assembly | Edward W. Vipond | 1997-01-28 |
| 5466134 | Scroll compressor having idler cranks and strengthening and heat dissipating ribs | Kyle Adriance, Charles D. Kimbro | 1995-11-14 |