| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Consumer goods | |
| #3 | Textiles and paper | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Laundering textiles | |
| #3 | Centrifuges | |
| #4 | Shedding mechanisms | |
| #5 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fletcher Schaum | 8 |
| #2 | Carl Schaum | 2 |
| #3 | Paul Schander | 1 |
| #4 | Schaum Otto W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2211389A | Head valve for presses | |
| US1751532A | Automatic machine-control mechanism | |
| US1905950A | Drive release and brake for extractors | |
| US1856593A | Automatic guard for hydro-extractors | |
| US1766310A | Hydro extractor | |
| US1824237A | Washing machine and automatic control therefor | |
| US1767901A | Automatic control mechanism | |
| US1753722A | Support for centrifugals | |
| US1718881A | Laundry rack | |
| US1703753A | Liquid dispenser | |
| CA345195A | Bolster |