| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Machines | |
| #5 | Civil engineering | |
| #6 | Electrical machinery and energy | |
| #7 | Biotechnology |
| # | Technology | |
|---|---|---|
| #1 | Reduction of greenhouse gas emissions | |
| #2 | Wind motors | |
| #3 | Gearing | |
| #4 | Unspecified technologies | |
| #5 | Peptides | |
| #6 | Dynamo-electric machines | |
| #7 | Locks | |
| #8 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carlson Alfred | 11 |
| #2 | Armentrout Richard W | 1 |
| #3 | Ellis Timothy Peter | 1 |
| #4 | Carlson Oscar F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1297092A | Gearing. | |
| CA187836A | Gear | |
| US1203481A | Gearing. | |
| US1174823A | Windmill and operating mechanism therefor. | |
| CA130491A | Switch | |
| US967324A | Gearing. | |
| US967325A | Wind-wheel electric generator. | |
| US728670A | Fastener for the meeting-rails of sashes. | |
| CA439365A | Wire stretching tool | |
| CA234555A | Wrench |