| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 19 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Machine tools | |
| #5 | Consumer goods | |
| #6 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hamann Richard W | 15 |
| #2 | Hamann Richard William | 1 |
| #3 | Butcher James M | 1 |
| #4 | Max Lindemann | 1 |
| #5 | Lindemann Max | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1364288A | Degerminator and huller | |
| US1219117A | Corn-degerminator. | |
| US1071154A | Wire-clamping tool. | |
| US1037245A | Boiler-tube cleaner. | |
| US995534A | Boiler and tube cleaner. | |
| US1010853A | Pencil-sharpener. | |
| US950694A | Boiler-tube-cleaner nozzle. | |
| US955871A | Boiler-tube cleaner. | |
| US955870A | Boiler-tube cleaner. | |
| US915347A | Boiler-flue cleaner. | |
| US908565A | Nozzle for boiler-tube cleaners. | |
| US903971A | Boiler-flue cleaner. | |
| US884818A | Boiler-flue cleaner. | |
| US824648A | Rotary engine. | |
| US824647A | Rotary engine. | |
| US799560A | Induced-draft apparatus. | |
| US799561A | Blower. | |
| US718453A | Blast apparatus for downdraft-furnaces. | |
| US688171A | Smoke-consumer. |