| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 5 | |
| #2 | Brazil | 2 | |
| #3 | Canada | 2 | |
| #4 | China | 2 | |
| #5 | Ukraine | 2 | |
| #6 | United States | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 | |
| #8 | South Africa | 2 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Environmental technology | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Gas, coke and tar production | |
| #2 | Separation | |
| #3 | Unspecified technologies | |
| #4 | Gas-flow silencers for machines | |
| #5 | Locks | |
| #6 | Unspecified technologies | |
| #7 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barkdoll Michael P | 17 |
| #2 | Ball Mark A | 11 |
| #3 | Watkins Donald M | 9 |
| #4 | Retort Richard C | 8 |
| #5 | Korrect Daniel J | 4 |
| #6 | Karnowski Jerome A | 3 |
| #7 | Westbrook Richard W | 3 |
| #8 | Mark A Ball | 2 |
| #9 | Ritort Richard K | 2 |
| #10 | Richard C Retort | 2 |
| Publication | Filing date | Title |
|---|---|---|
| UA94259C2 | Process for preparation and method for coke quenching, quenching car, coke carrier, and ejector of coke cake | |
| US2007289861A1 | Method and apparatus for compacting coal for a coal coking process | |
| US2006049641A1 | Coke oven rotary wedge door latch |