| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 3 | |
| #3 | Brazil | 2 | |
| #4 | Switzerland | 2 | |
| #5 | Germany | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | Sweden | 2 | |
| #8 | Austria | 1 | |
| #9 | Australia | 1 | |
| #10 | Belgium | 1 | |
| #11 | Denmark | 1 | |
| #12 | Spain | 1 | |
| #13 | France | 1 | |
| #14 | Ireland | 1 | |
| #15 | Israel | 1 | |
| #16 | Italy | 1 | |
| #17 | Netherlands | 1 | |
| #18 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Civil engineering | |
| #3 | Packaging and shipping | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Operating tables | |
| #2 | Scaffolding | |
| #3 | Cranes | |
| #4 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koll L A | 9 |
| #2 | Crook W | 9 |
| #3 | Dunkin A | 5 |
| #4 | Dunkin Albert | 3 |
| #5 | Gottlieb C Robert | 2 |
| #6 | Laurel A Koll | 2 |
| #7 | Gottlieb C | 2 |
| #8 | Walter Crook Jr | 2 |
| #9 | Koll L | 2 |
| #10 | Lewis E | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3863780A | System for placing factory prefabricated housing units | |
| US3858928A | System for placing factory prefabricated housing units | |
| US3829915A | Drive bracket connector for patient transfer apparatus | |
| US3831770A | Snubbing frame for rotary cranes | |
| US3818852A | Method and apparatus for transporting factory constructed housing units | |
| US3765037A | Apparatus for transferring objects | |
| CA919855A | Method and apparatus for moving objects | |
| CA896809A | Method and apparatus for moving objects |