| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | Switzerland | 4 | |
| #3 | Spain | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | United States | 2 | |
| #6 | Austria | 1 | |
| #7 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Mechanical elements | |
| #3 | Civil engineering | |
| #4 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Brushes | |
| #2 | Nails | |
| #3 | Machines for making railways | |
| #4 | Horticulture | |
| #5 | Smoking accessories | |
| #6 | Footwear features |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gerhold Alfred | 12 |
| #2 | Alfred Gerhold | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB127400A | Improvements in and relating to Cigarette and Cigar Holders. | |
| US1202827A | Ventilated boot or shoe. | |
| US1071614A | Brush. | |
| GB191015468A | Improvements in Brushes. | |
| CA199954A | Cigarette and cigar holder | |
| CA434657A | Screw | |
| CA287820A | Clothes peg | |
| CA316894A | Stand for plates, etc. | |
| CA414980A | Wood screw |