| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Cleaning | |
| #2 | Sewers | |
| #3 | Unspecified technologies | |
| #4 | Clutches and brakes | |
| #5 | Household appliances | |
| #6 | Unspecified technologies | |
| #7 | Earth drilling | |
| #8 | Devices for public amusement | |
| #9 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Osborn William D | 11 |
| #2 | Crane Hubert R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2578584A | Multiple speed power transmitting means for sewer rod tractors | |
| US2328093A | Kite-type sewer washer | |
| US2291253A | Coupling and universal joint for flexible rods | |
| US2273984A | Safety plug and bypass | |
| US2249254A | Pickup hook for broken rods | |
| US2225129A | Sewer cleaning tool power plant | |
| US2225128A | Rod coupling | |
| US2175406A | Chain-head, descaling auger | |
| US2181306A | Chained-head auger | |
| US2050500A | Exercising hobbyhorse | |
| US957793A | Clamp-press. |