| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 2 | |
| #3 | Australia | 1 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Italy | 1 | |
| #9 | Netherlands | 1 | |
| #10 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Harvesting | |
| #3 | Dredging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thomson Byron C | 4 |
| #2 | Moncus James D | 3 |
| #3 | Callegari Stephen R | 3 |
| #4 | Moncus J D | 2 |
| #5 | Wetzel Rodney J | 2 |
| #6 | Lamb William C | 2 |
| #7 | Harper Jr Roland George | 2 |
| #8 | Callegari S R | 2 |
| #9 | Harper Jun Roland George | 1 |
| #10 | Callegari Stephen Rene | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3976132A | Tubing spreader mechanism | |
| US4077525A | Derrick mounted apparatus for the manipulation of pipe | |
| US4040524A | Apparatus for handling pipe at well site | |
| US3102349A | Process and machine for forming and cleaning quarter drains in sugar cane growing squares | |
| US3090183A | Process for harvesting and piling cane | |
| US3090185A | Cane harvester and pilers and process for harvesting and piling cane | |
| US3002330A | Cane harvester |