| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 2 | |
| #2 | Austria | 1 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Germany | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | Japan | 1 | |
| #11 | Netherlands | 1 | |
| #12 | Sweden | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Gas, coke and tar production | |
| #2 | Purifying gas composition |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mahar Kevin D | 3 |
| #2 | Mahar K | 2 |
| #3 | Mahar K D | 1 |
| #4 | Segur Daniel K | 1 |
| #5 | Kebuin Deii Mahaa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4113569A | Coke air pollution control method and apparatus | |
| US2418988A | Removal of muck from wash oil |