| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 5 | |
| #3 | France | 3 | |
| #4 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Greenleaf Nathaniel B | 12 |
| #2 | Marker Henry H | 3 |
| #3 | Webster Leonard C | 3 |
| #4 | Greenleaf Nathaniel Bryant | 2 |
| #5 | Bryant Greenleaf Nathaniel | 2 |
| #6 | Reeve Tofil A | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2975455A | Sponge mopping element for front presser mop | |
| GB793671A | Sponge mops | |
| US2959799A | Wringing and control mechanism for sponge mops | |
| GB778432A | Sponge element for mops | |
| US2897528A | Sponge element for mops | |
| US2834974A | Sponge mop having spring operator | |
| US2864107A | Self-wringing mop construction | |
| GB751371A | Mops | |
| US2882540A | Cam operated mop device | |
| US2515403A | Back presser mop | |
| US2594553A | Sponge element and backing therefor for removable attachment to a mophead | |
| US2666939A | Self-wringing mop | |
| CA521121A | Mops | |
| CA575291A | Sponge mops | |
| CA559820A | Sponge element for mops | |
| CA575279A | Sponge mop | |
| CA594251A | Sponge mop |