Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11946886 | Fluid heating system | Brian Plourde, Douglas Plourde, Richard Pakonen, Andy Gikling, Noel Naughton | 2024-04-02 |
| 11920801 | Digital fluid heating system | Brian Plourde, Andrew Gikling, Richard Pakonen, Douglas Plourde | 2024-03-05 |
| 11361743 | Megaphone having additional lighting or audible features | Sofia Ann Abraham | 2022-06-14 |
| 11255804 | Method of calculating pathogen inactivation for a fluid heating system | Brian Plourde, Douglas Plourde, Richard Pakonen | 2022-02-22 |
| 10989420 | Digital fluid heating system | Brian Plourde, Andrew Gikling, Richard Pakonen, Douglas Plourde | 2021-04-27 |
| 10890645 | Dual axis tracking method | Brian Plourde, Douglas Plourde, Richard Pakonen, Andy Gikling | 2021-01-12 |
| 10495720 | Control valve assembly for a fluid heating system | Brian Plourde, Douglas Plourde, Richard Pakonen | 2019-12-03 |
| 10168412 | Dual axis tracking device | Brian Plourde, Douglas Plourde, Richard Pakonen, Andy Gikling | 2019-01-01 |
| 9482204 | Rotor blade for vertical axis wind turbine | Brian Plourde | 2016-11-01 |
| 6385790 | Portable toilet | Michael M. Anthony | 2002-05-14 |
| 5343838 | Dual radius rotor for pre-mixed-charge rotary engine combustion | — | 1994-09-06 |
| 5022366 | Rotary engine with dual spark plugs and fuel injectors | Frediano V. Bracco | 1991-06-11 |
| 4889091 | Rotary valve for natural gas rotary engine | Murray Berkowitz | 1989-12-26 |