| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Ladders | |
| #2 | Fire-fighting | |
| #3 | Unspecified technologies | |
| #4 | Pumps | |
| #5 | Vehicle seats | |
| #6 | Unspecified technologies | |
| #7 | Vehicle windows, roofs and doors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Peter Pirsch | 9 |
| #2 | Lundskow Henry P | 3 |
| #3 | Pirsch William R | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2298541A | Nozzle holder | |
| US2194870A | Scaling ladder | |
| US2228525A | Aerial ladder | |
| US2171863A | Ladder | |
| US2074558A | Tillerman's seat for ladder truck trailers | |
| US2099905A | Tillerman's windshield for ladder truck trailers | |
| US2074557A | Fire apparatus | |
| US1979041A | Fire apparatus | |
| US1893685A | Pump pulsation reducing device | |
| US1758969A | Floating-lap ladder | |
| US1719997A | Folding ladder | |
| US1748992A | Foam-generating tank | |
| US1606445A | Folding ladder | |
| CA339395A | Fire apparatus |