| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Germany | 3 | |
| #3 | Australia | 2 | |
| #4 | Brazil | 2 | |
| #5 | France | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | Israel | 2 | |
| #8 | Italy | 2 | |
| #9 | Argentina | 1 | |
| #10 | Belgium | 1 | |
| #11 | Canada | 1 | |
| #12 | Switzerland | 1 | |
| #13 | Spain | 1 | |
| #14 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Electrical machinery and energy | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Preparation of materials | |
| #2 | Spraying devices | |
| #3 | Batteries | |
| #4 | Reduction of greenhouse gas emissions | |
| #5 | Fillers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sperry Charles R | 5 |
| #2 | Sperry Charles Richard | 3 |
| #3 | Sperry C | 2 |
| #4 | Sperry C R | 2 |
| #5 | Sperry Charles Rcihard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4023733A | Foam dispensing apparatus | |
| US3945569A | Foam dispensing apparatus | |
| US3976230A | System for dispensing polyurethane and the like | |
| IL43895D0 | System and process for dispensing polyurethane and the like | |
| US3687370A | Liquid mixing and dispensing apparatus |