| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 2 | |
| #4 | Australia | 1 | |
| #5 | Germany | 1 | |
| #6 | Egypt | 1 | |
| #7 | Japan | 1 | |
| #8 | Mexico | 1 | |
| #9 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Basic materials chemistry | |
| #3 | Engines, pumps and turbines | |
| #4 | Organic fine chemistry | |
| #5 | Materials and metallurgy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cummings Donald Ray | 4 |
| #2 | Cummings Donald R | 4 |
| #3 | Donarudo Rei Kamingusu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9125097D0 | Soap retention | |
| AU4029489A | Improvements in the operation of pulverised coal fired boilers | |
| GB2092174A | Process for the production of synthesis gas from coal | |
| CA1101787A | Separation of multicomponent mixtures | |
| US4185456A | Providing energy from the combustion of methanol |