| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Nails | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Metal wire processing | |
| #6 | Earth drilling | |
| #7 | Tools for connecting or disengaging | |
| #8 | Nailing machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Miller Albert W | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2554585A | Coupling | |
| US2544712A | Coupling | |
| US2383010A | Detachable coupling | |
| US2408801A | "c" clamp | |
| US2285345A | Lock-nut construction | |
| US2251253A | Clamping connection | |
| US2250495A | Coupling | |
| US2244400A | Lock-nut construction | |
| US1619084A | Wire-crimping tool | |
| CA88827A | Mortising machine | |
| US779955A | Mortising-machine. | |
| CA444032A | Detachable coupling |