| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | Australia | 4 | |
| #3 | Canada | 4 | |
| #4 | Germany | 4 | |
| #5 | United States | 4 | |
| #6 | South Africa | 4 | |
| #7 | France | 3 | |
| #8 | Italy | 3 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Environmental technology | |
| #3 | Medical technology | |
| #4 | Furniture and games | |
| #5 | Machines | |
| #6 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sargent Charles Lee | 7 |
| #2 | Sargent C | 6 |
| #3 | Hoffman John Adolph | 6 |
| #4 | Sargent Charles L | 5 |
| #5 | Hoffman J | 4 |
| #6 | Hoffman John A | 3 |
| #7 | Reid J | 1 |
| #8 | Reid James S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3882799A | Waste disposal system and method | |
| DE2300939A1 | WASTE DISPOSAL SYSTEM FOR A TRAILER ASSIGNED TO A TOWING VEHICLE | |
| CA961204A | Waste disposal system and method | |
| US3731490A | Dual waste disposal system and method | |
| US3740773A | Method and apparatus for disposing of human waste in a vehicle | |
| US3699040A | Method for waste disposal with centrifugal action |