| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 6 | |
| #3 | United Kingdom | 5 | |
| #4 | Brazil | 4 | |
| #5 | Germany | 4 | |
| #6 | France | 4 | |
| #7 | Italy | 4 | |
| #8 | Japan | 3 | |
| #9 | Australia | 1 | |
| #10 | EPO (European Patent Office) | 1 | |
| #11 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Unspecified technologies | |
| #3 | Nails | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arnold Carroll H | 19 |
| #2 | Arnold Carroll Hiscox | 4 |
| #3 | Horton Lee A | 2 |
| #4 | Arnold C | 2 |
| #5 | Kiyaroru Hisukotsukusu Aanorud | 2 |
| #6 | Erickson Arthur A | 1 |
| #7 | Carroll Hiscox A | 1 |
| #8 | Kiyaroru Etsuchi Aanorudo | 1 |
| #9 | Carrol H Arnold | 1 |
| #10 | Carroll Hiscox Arnold | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5727342A | Hydraulic latch pin assembly for coupling a tool to a construction equipment | |
| US5634735A | Tool coupler | |
| US5332353A | Quick coupler for excavation equipment | |
| US4824319A | Loader coupler | |
| US4531883A | Backhoe stabilizer system | |
| US4457085A | Excavating buckets | |
| CA1151602A | Connectors | |
| CA1127205A | Excavating buckets | |
| US4279085A | Excavating buckets | |
| US4311428A | Connectors | |
| FR2398844A1 | REMOVABLE ASSEMBLY SYSTEM OF A HANDLING TOOL ON AN ARM | |
| US4345872A | Connectors | |
| GB2001930A | Releasably securing a materials handler to a boom | |
| US3934738A | Tool connecting | |
| US3854608A | Materials handling |