| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 32 | |
| #2 | Canada | 5 | |
| #3 | Australia | 4 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | United Kingdom | 3 | |
| #6 | Brazil | 2 | |
| #7 | Switzerland | 2 | |
| #8 | Japan | 2 | |
| #9 | Austria | 1 | |
| #10 | Belgium | 1 | |
| #11 | Germany | 1 | |
| #12 | France | 1 | |
| #13 | Hong Kong | 1 | |
| #14 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Mechanical elements | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Springs | |
| #3 | Metal wire processing | |
| #4 | Transport or storage devices | |
| #5 | Unspecified technologies | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hagemeister Robert C | 22 |
| #2 | Ramsey Henry R | 8 |
| #3 | Garceau Harry A | 4 |
| #4 | Levine Alexander M | 3 |
| #5 | Garceau H | 3 |
| #6 | Harry Arthur Garceau | 2 |
| #7 | Thomas Kenneth H | 2 |
| #8 | Earle Clarence W | 1 |
| #9 | Uorutaa Harorudo Keen | 1 |
| #10 | Garceau Harry Arthur | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0301518A2 | A bent wire spring module with lock | |
| US4838528A | Bent wire spring module | |
| US4781360A | Spring assembly with helical coils of spring wire with unknotted ends | |
| US4796872A | Bent wire spring module | |
| US4778157A | Spring module | |
| US4813656A | Grid frame | |
| US4721290A | Bent wire spring unit | |
| US4736933A | Bent wire spring module | |
| US4729550A | Spring module | |
| US4684111A | Bent wire spring module | |
| US4592106A | Anchor for securing the lower end of a spring | |
| US4595180A | Spring assembly | |
| US4595181A | Bent wire spring unit | |
| US4577841A | Bent wire spring unit | |
| US4480823A | Innerspring assembly for furniture seats and backs | |
| US4426070A | Coil spring assembly with grid and base frame | |
| US4372546A | Spring assembly | |
| US4114867A | Coil spring assembly | |
| JPS53102451A | Spring | |
| US4114210A | Spring assembly with reinforcement |