| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 20 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | General building constructions | |
| #3 | Wood working | |
| #4 | Structural elements | |
| #5 | Unspecified technologies | |
| #6 | Woodworking tools | |
| #7 | Wood processing machines | |
| #8 | Working veneer | |
| #9 | Swimming pools | |
| #10 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Birkemeier George R | 6 |
| #2 | Payzant Henry H | 6 |
| #3 | Scott Hollis C | 4 |
| #4 | Harris Payzant Henry | 2 |
| #5 | Woodworth Charles H | 2 |
| #6 | Winkel Victor J | 2 |
| #7 | Crichton James W | 1 |
| #8 | Whelan John J | 1 |
| #9 | Leffler Willard B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3581451A | Dome structures | |
| US3635509A | Dome joint structures | |
| US3570204A | Truss joists | |
| US3638245A | Truss beam swimming pool | |
| US3540174A | Dome structures | |
| US2890677A | Finger joint gluer | |
| US2870807A | Woodworking finger joint cutter assembly | |
| US2896677A | Air drill | |
| US2796897A | Drilling machine | |
| US2796642A | Rigid arch joiner | |
| US2776457A | Arch haunch construction | |
| US2557413A | Bleacher seat splice | |
| US2662564A | Continuous gluing press | |
| US2571604A | Manufacture of laminated wooden members | |
| US2532419A | Scarf joint gluing press | |
| US2574307A | Building structure | |
| US2571603A | Apparatus for scarfing board ends | |
| US2359015A | Glue spreading device | |
| US2389944A | Method of manufacturing laminated building members |