Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885364 | Channel strut fasteners | Richard F. Schaefer | 2024-01-30 |
| 11624394 | Channel strut fasteners | Richard F. Schaefer | 2023-04-11 |
| 11624395 | Channel strut fasteners | Richard F. Schaefer | 2023-04-11 |
| 10840851 | Roof mount bracket | Richard F. Schaefer | 2020-11-17 |
| 10571135 | Renewable energy hot water heater with heat pump | — | 2020-02-25 |
| 10066851 | Micro-grid PV system hybrid hot water heater | — | 2018-09-04 |
| 9714671 | End clip for recessed rail | Richard F. Schaefer | 2017-07-25 |
| 9680409 | Adjustable combined flashing and mounting apparatus and method of mounting to be used therewith | Richard F. Schaefer | 2017-06-13 |
| 9620870 | Adjustable roof mounting system | Richard F. Schaefer | 2017-04-11 |
| 9473064 | End clip for recessed rail | Richard F. Schaefer | 2016-10-18 |
| 9453658 | Micro-grid PV system | — | 2016-09-27 |
| 9106023 | Adjustable roof mounting system | Richard F. Schaefer | 2015-08-11 |
| 9068339 | Roof standoff device | Richard F. Schaefer, Don N. Tamm | 2015-06-30 |
| D732703 | Quad faced interlocking support member | — | 2015-06-23 |
| 9002185 | PV water heating system | — | 2015-04-07 |
| 8977117 | Renewable energy hot water heating elements | — | 2015-03-10 |
| 8909033 | Control systems for renewable hot water heating systems | — | 2014-12-09 |
| 8869490 | Interlocking shape for use in construction members | Richard F. Schaefer, Don N. Tamm | 2014-10-28 |
| 8833032 | Roof mount sealing assembly | Richard F. Schaefer, Don N. Tamm | 2014-09-16 |
| 8833033 | Roof mount sealing assembly | Richard F. Schaefer, Don N. Tamm | 2014-09-16 |
| 8752338 | Adjustable roof mounting system | Richard F. Schaefer | 2014-06-17 |
| 8707654 | Roof mount sealing assembly | Richard F. Schaefer, Don N. Tamm | 2014-04-29 |
| 8707655 | Roof mount sealing assembly | Richard F. Schaefer, Don N. Tamm | 2014-04-29 |
| 8689517 | Roof mount sealing assembly | Richard F. Schaefer, Don N. Tamm | 2014-04-08 |
| 8661765 | Interlocking shape for use in construction members | Richard F. Schaefer, Don N. Tamm | 2014-03-04 |