| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | United Kingdom | 4 | |
| #3 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Basic materials chemistry | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Producer gas production | |
| #2 | Furnaces | |
| #3 | Casings for combustion chambers | |
| #4 | Cremation furnaces | |
| #5 | Fluid fuel combustion | |
| #6 | Burners | |
| #7 | Details of furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Swindell William | 17 |
| #2 | Swindell John Cotton | 1 |
| #3 | Swindell John C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB190404263A | An Improved Process of Coating Metal Objects. | |
| GB190320203A | Improvements in Ball Bearings and Balls therefor. | |
| GB190210195A | Improved Method or Process of and Machine for Making Hollow Metal Balls. | |
| US689660A | Gas-producer. | |
| CA73603A | Gas producer | |
| CA73604A | Gas producer | |
| US674104A | Gas-producer. | |
| CA70012A | Furnace | |
| US667925A | Gas-producer. | |
| US659495A | Furnace. | |
| US650497A | Gas-producer. | |
| US659941A | Metallurgical furnace. | |
| US650918A | Regenerative furnace. | |
| US633349A | Furnace. | |
| GB189906935A | Improvements in Annealing Furnaces. | |
| US662608A | Gas-furnace. | |
| US685539A | Gas-furnace. |