| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Measurement | |
| #5 | Medical technology | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Water-closets with flushing devices | |
| #2 | Transferring liquids | |
| #3 | Unspecified technologies | |
| #4 | Measuring volume | |
| #5 | Diagnosis and surgery | |
| #6 | Packaging | |
| #7 | Spraying devices | |
| #8 | Hairstyling and cosmetic | |
| #9 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Engstrom Oscar L | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US3347519A | Replaceable valve seat for flush valves | |
| US3166289A | Flush valves | |
| US2998221A | Flush valves | |
| US2825491A | Drink mixing and dispensing device | |
| US2577008A | Tourniquet clamp | |
| US2574144A | Hair clip | |
| US2592017A | Bottle lifter | |
| US2453004A | Liquid mixing and dispensing apparatus | |
| US2534504A | Beverage dispensing apparatus | |
| US2464030A | Liquid measuring dispenser | |
| US2217217A | Venetian blind slat | |
| CA633664A | Flush valve |