Inventor
Roger A. Schilling
Inventor
West Saint Paul, MN, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F23Nprimary
F23NRegulating or controlling combustion36%
F23QIgnition18%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power9%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines9%
H02KDynamo-electric machines9%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
10,903,635In-ground enclosure system20215,723,918'Bi-directional actuator using a random direction AC motor'19984,238,184'Flame detection system using a voltage clipper means'19804,226,581'Safe start check circuit'19804,211,526'Control system for redundant valves'19804,168,949'Flame signal stabilization circuit'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1998Patents assigned to HONEYWELL INC (5)· patent assignee history
1979–1980Based in West Saint Paul, MN, US· patent location history
1980Based in West St. Paul, MN, US· patent location history
1998Based in New Brighton, MN, US· patent location history
2021Patents assigned to BOBSBOX LLC (1)· patent assignee history
2021Based in Port St. Lucie, FL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONEYWELL INC | 5 | 1979–1998 |
| BOBSBOX LLC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| West Saint Paul, Minnesota, US | 2 | 1979–1980 |
| West St. Paul, Minnesota, US | 2 | 1980 |
| Port St. Lucie, Florida, US | 1 | 2021 |
| New Brighton, Minnesota, US | 1 | 1998 |