| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 3 | |
| #3 | Germany | 3 | |
| #4 | United Kingdom | 3 | |
| #5 | Austria | 1 | |
| #6 | Belgium | 1 | |
| #7 | Switzerland | 1 | |
| #8 | Spain | 1 | |
| #9 | Finland | 1 | |
| #10 | France | 1 | |
| #11 | Greece | 1 | |
| #12 | Ireland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Smoking accessories | |
| #2 | Cigarettes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shaw Herman L | 5 |
| #2 | Merwin Gerard | 2 |
| #3 | Nemeth Otto R | 2 |
| #4 | Lester Seeleg | 2 |
| #5 | Kaye Paul | 2 |
| #6 | Goldstein Jerome J | 2 |
| #7 | Shaw Herman Leonard | 2 |
| #8 | Gerard Merwin | 2 |
| #9 | Shaw H | 1 |
| #10 | Hermann Leonard Shaw | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4646761A | Cigarette filter holder | |
| US4201232A | Cigarette holder with filter | |
| GR64009B | Cigarette holder | |
| GB1564780A | Cigarette holder | |
| US4046153A | Cigarette holder | |
| US4003387A | Cigarette filter holder | |
| US3797644A | Filter | |
| IE25369L | Cigarette holders. | |
| US3137303A | Filter tip | |
| US3048180A | Filter tip | |
| US2911984A | Holders and filters for tobacco smoking | |
| US2796869A | Tobacco filter | |
| CA579909A | Tobacco filter | |
| CA715337A | Filter tip | |
| CA652012A | Holders and filters for tobacco smoking |