| 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 |