| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 2 | |
| #2 | Brazil | 1 | |
| #3 | Canada | 1 | |
| #4 | Czechoslovakia | 1 | |
| #5 | German Democratic Republic | 1 | |
| #6 | Denmark | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Spain | 1 | |
| #9 | Finland | 1 | |
| #10 | Greece | 1 | |
| #11 | Israel | 1 | |
| #12 | Italy | 1 | |
| #13 | Morocco | 1 | |
| #14 | Malawi | 1 | |
| #15 | Norway | 1 | |
| #16 | African Intellectual Property Organization | 1 | |
| #17 | Poland | 1 | |
| #18 | Portugal | 1 | |
| #19 | United States | 1 | |
| #20 | WIPO (World Intellectual Property Organization) | 1 | |
| #21 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Food preservation | |
| #2 | Preservation of human bodies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mckenna Joan J | 16 |
| #2 | Joan J Mckenna | 1 |
| Publication | Filing date | Title |
|---|---|---|
| PL245454A1 | Method of freezing organic tissues | |
| BR8307626A | Method for preserving live organic tissue by freezing | |
| US4423600A | Method for preservation of living organic tissue by freezing |