| Hive - Passage one-way passage | ||||
|---|---|---|---|---|
| Patent Number | Date | Inventor | Description | |
| 00002890 | 1842 | Bryant | Beehive | |
| 00028871 | 1860 | Kidder | Beehive | |
| 00049314 | 1865 | Starr | Bee separator | |
| 00080716 | 1868 | Forgy | Beehive | |
| 00201965 | 1878 | Wash | Device for removing bees for honey boxes | |
| 00266059 | 1882 | Silcott | Beehive | |
| 00346023 | 1886 | Butler | Bee escape | |
| 00442687 | 1890 | Pennock | Beehive | |
| 00470789 | 1892 | Matthew | Beehive | |
| 00473284 | 1892 | Ashworth | Bee escape for hives | |
| 00483137 | 1892 | Conser | Beehive | |
| 00489754 | 1893 | Porter | Bee escape | |
| 00507506 | 1893 | Stead | Bee escape | |
| 00546007 | 1895 | Ferguson | Beehive | |
| 00547164 | 1895 | Danzenbaker | Beehive | |
| 00579983 | 1897 | Jardine | Bee exit attachment for hives | |
| 00867423 | 1907 | Rupe | Means for clearing bees from supers when taking surplus honey | |
| 00917900 | 1909 | Saffell | Trap for beehives | |
| 00945407 | 1910 | Nichols | Bee trap | |
| 00987425 | 1911 | Blagg | Beehive | |
| 00987256 | 1911 | Porter | Bee escape | |
| 01089157 | 1914 | Rogers | Bee escape | |
| 01113886 | 1914 | Douglass | Separable reversible bee trap | |
| 01208482 | 1916 | Cheney | Bee escape | |
| 01252437 | 1918 | Hodgson | Bee escape board | |
| 01423883 | 1922 | Rogers | Bee escape | |
| 01414284 | 1922 | Jones | Combination bee escape and feeder cap | |
| 01414696 | 1922 | Hawkins | 4-way bee escape | |
| 01554305 | 1925 | Sullivan | Beehive appliance | |
| 01607659 | 1926 | Will | Bee escape | |
| 01636635 | 1927 | Holmes | Bee escape | |
| 02575102 | 1951 | Evans | Combination board for beehives | |
| 03108294 | 1963 | Brown | Escape device for beehives | |
| 04094026 | 1978 | Simoni | Beehive | |
| 04153960 | 1979 | Simoni | Beehive | |
| 04158900 | 1979 | Musgrove | Traffic regulating hive bottom board | |
| 04229848 | 1980 | Shaparew | Bee escape board | |
| 04267612 | 1981 | Watts | Beehives | |