| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Thermal processes | |
| #3 | Furniture and games | |
| #4 | Chemical engineering | |
| #5 | Control | |
| #6 | Environmental technology | |
| #7 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shepherd Charles G | 10 |
| #2 | Squires Thomas E | 4 |
| #3 | Travale Samuel | 3 |
| #4 | Petersen Kurt E | 1 |
| #5 | Wignall Robert A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4770157A | Food smoker device | |
| US4691689A | One piece adjustable damper | |
| US4708830A | Seal assembly | |
| US4730771A | Air duct | |
| US4741321A | Portable barbeque | |
| US4718399A | Barbeque wagon | |
| US4540530A | Humidifier pad | |
| US4489015A | Humidifier pad support | |
| US4490311A | Drum humidifier | |
| US4482181A | Grill lifter | |
| US4426990A | Camping stove | |
| US4361523A | Humidifier |