| Hive - Observation | ||||
|---|---|---|---|---|
| Patent Number | Date | Inventor | Description | |
| 00002617 | 1842 | Wolfersberger | Beehive | |
| 00002633 | 1842 | Farnam | Beehive | |
| 00003554 | 1844 | West | Beehive | |
| 00033668 | 1861 | Terry | Beehive | |
| 00036349 | 1862 | Hazen | Beehive | |
| 00043211 | 1864 | Kennedy | Beehive | |
| 00074627 | 1868 | Stidger | Beehive | |
| 00078621 | 1868 | Tuller | Beehive | |
| 00079454 | 1868 | Elvin | Beehive | |
| 00080138 | 1868 | Chase | Beehive | |
| 00080395 | 1868 | Cuplin | Beehive | |
| 00123470 | 1872 | Fink | Improvement in beehives | |
| 00127513 | 1872 | Potter | Improvement in beehives | |
| 00131628 | 1872 | Rogers & Mason | Improvement in beehives | |
| 00132052 | 1872 | Canniff | Improvement in beehives | |
| 00140702 | 1873 | Henegan | Beehive | |
| 00176974 | 1876 | Maginn | Show cracker boxes | |
| 00182733 | 1876 | Worrall | Beehive | |
| 00188452 | 1877 | Wheeler | Beehive | |
| 00189923 | 1877 | Coates | Beehive | |
| 00251716 | 1882 | Howard | Beehive | |
| 00290022 | 1883 | Fraley | Beehive | |
| 00867337 | 1907 | Barnes | Beehive | |
| 01144878 | 1915 | Tenyak | Beehive | |
| 01336523 | 1920 | Karpinski | Beehive | |
| 01768041 | 1928 | Fenno | Beehive | |
| 02170210 | 1938 | O'Beirne | Observation unit for bees or the like | |
| 02326250 | 1941 | O'Beirne | Bee observation unit | |
| 00022044 | 1942 | O'Beirne | Oberservation unit for bees or the like | |
| 02525251 | 1947 | Willard | Honey box for beehives | |
| 03071784 | 1963 | Kolb | Bee observation device | |
| 03088134 | 1963 | Abel | Experimental bee colony device | |
| 04094026 | 1978 | Simoni | Beehive | |
| 04153960 | 1979 | Simoni | Beehive | |
| 04263684 | 1981 | Stevens | Observation hive | |
| 04443904 | 1984 | Van Muyden | Beehive | |
| 05035668 | 1991 | Ungar | Beehive | |
| 05628671 | 1997 | Stevens | Beehive | |