| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 81 | |
| #2 | Switzerland | 2 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Machine tools | |
| #5 | Transport | |
| #6 | Surface technology and coating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Greenfield Edwin T | 82 |
| #2 | Edwin T Greenfield | 2 |
| #3 | Kintner Charles J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1331705A | Parachute | |
| US1217750A | Rolling of flat strips. | |
| US1254796A | Coating of pipes. | |
| US1146791A | Art of treating tubes interiorly with liquid coating agents. | |
| US1217748A | Art of metal-working. | |
| US1106938A | Staple blank or strip. | |
| US1086362A | Stapling-machine. | |
| US1124727A | Machine for treating metal pipes or tubes. | |
| US947439A | Art of treating metal and other tubes or rods. | |
| US947440A | Mechanism for treating metal and other tubes or rods. | |
| US975032A | Junction-box. | |
| US936996A | Stapling-machine. | |
| US938575A | Tubing. | |
| US967901A | Hose. | |
| US995453A | Hose. | |
| US1001842A | Hose. | |
| US939244A | Apparatus for making spiral tubing. | |
| US902148A | Heating system. | |
| US979759A | Hose. | |
| US979760A | Hose. |