| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 28 | |
| #2 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Foods and drinks | |
| #4 | Civil engineering | |
| #5 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Sawing | |
| #3 | Unspecified technologies | |
| #4 | Grinding or polishing devices | |
| #5 | Slaughtering | |
| #6 | Punching metal | |
| #7 | Containers for goods storage | |
| #8 | Hinges for doors or windows | |
| #9 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schaefer Adolph O | 11 |
| #2 | Laemmel Charles A | 8 |
| #3 | Williams Clarence R | 5 |
| #4 | Albert Laemmel Charles | 2 |
| #5 | Otto Schaefer Adolph | 1 |
| #6 | Euerle George W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2861612A | Cutter bit construction | |
| US2916069A | Meat chopper knife assembly having different degrees of wear characteristics | |
| US2636530A | Food chopper construction and knife therefor | |
| US2375604A | Grinding machine | |
| US2222966A | Grinding machine | |
| US2164027A | Latching device | |
| US2153433A | Drive adapter for machines | |
| US2124593A | Grinding machine | |
| US2109625A | Saw blade attachment | |
| US2124592A | Tool grinder | |
| US2151445A | Machine tool | |
| US2004700A | Method of forming eyelets on meat saws and the like | |
| US2049083A | Knives for meat choppers | |
| US2045327A | Method of making clamps | |
| US1971491A | Meat chopping machine | |
| US1986934A | Food chopper | |
| US1972566A | Meat saw | |
| US1967974A | Window ventilator or draft shield | |
| US1952946A | Food chopper | |
| US1986933A | Knife for food choppers |