| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United States | 4 | |
| #3 | Canada | 3 | |
| #4 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Consumer goods | |
| #3 | Machines | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Upholstering equipment | |
| #2 | Sewing | |
| #3 | Mechanical carpet cleaning | |
| #4 | Unspecified technologies | |
| #5 | Special textiles | |
| #6 | Chairs and beds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Droll Joseph W | 6 |
| #2 | Olson Alex H | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US1962209A | Mattress tufting apparatus | |
| DE593474C | Filing device for mattresses, consisting of hollow nozzles with flange-like heads inserted through the mattress covers | |
| US1949148A | Mattress tufting machine | |
| US1932207A | Mattress tufting | |
| DE519207C | Machine for producing beads on mattresses | |
| DE507786C | Mattress tapping machine | |
| US1503351A | Mattress-roll-forming mechanism | |
| CA243167A | Mattress beating machine | |
| CA333756A | Mattress tufting frame | |
| CA242466A | Stitching mechanism for mattress |