| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 69 | |
| #2 | Canada | 9 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Belts or cables for driving | |
| #3 | Unspecified technologies | |
| #4 | Preparing clay | |
| #5 | Gearing | |
| #6 | Shafts | |
| #7 | Unspecified technologies | |
| #8 | Nails | |
| #9 | Hand-held cutting tools | |
| #10 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Levalley Christopher W | 78 |
| Publication | Filing date | Title |
|---|---|---|
| US1264822A | Transmission-gearing. | |
| US1151022A | Transmission-gearing. | |
| US1243614A | Delivery-chute for mixing-machines. | |
| US1123901A | Machine for heating and mixing materials. | |
| US1067182A | Loading device for mixing-machines. | |
| US1230731A | Concrete-mixing apparatus. | |
| US1168947A | Self-dumping elevator. | |
| US1151485A | Transmission-gearing. | |
| US1151484A | Transmission-gearing. | |
| US1151483A | Transmission-gearing. | |
| US1151482A | Transmission-gearing. | |
| US1027055A | Concrete-mixer. | |
| US1091362A | Inhaler. | |
| CA133433A | Concrete mixer | |
| US1009909A | Nut-lock. | |
| US1067181A | Concrete-mixing apparatus. | |
| US1067180A | Mixing-machine. | |
| US1067042A | Concrete-mixer. | |
| US974502A | Shaft-hanger. | |
| US1067041A | Concrete-mixer. |