| Hive - Passage queen/drone controll means | ||||
|---|---|---|---|---|
| Patent Number | Date | Inventor | Description | |
| 00005211 | 1847 | Reynolds | Beehive | |
| 00059614 | 1866 | Kretchmer | Beehive | |
| 00076258 | 1868 | Smith & Reed | Beehive | |
| 00122242 | 1871 | Farnam | Beehive | |
| 00137831 | 1873 | Davis | Beehive | |
| 00141443 | 1873 | Latchaw | Beehive | |
| 00172019 | 1876 | Harbison | Grated entrances to beehive | |
| 00203321 | 1878 | Buzzard & Snyder | Beehive | |
| 00217017 | 1879 | Lyons | Attachment for beehive | |
| 00307737 | 1884 | Alley | Drone bee trap | |
| 00449760 | 1891 | Pennock | Beehive | |
| 00507070 | 1893 | Hines | Beehive | |
| 00522772 | 1894 | Aikin & Knight | Beehive | |
| 00593712 | 1897 | Williams | Queen and drone trap | |
| 00608261 | 1898 | Koopman | Swarm preventer for beehives | |
| 00656251 | 1900 | Johansen | Beehive | |
| 00667894 | 1901 | Simpson | Queen bee trap | |
| 00700452 | 1902 | Stemmler | Bee swarm catcher | |
| 00851882 | 1907 | Harmison | Beehive | |
| 00852907 | 1907 | Saffell | Trap for beehives | |
| 00867891 | 1907 | Marback | Beehive | |
| 00874579 | 1907 | Eckman | Beehive | |
| 00874863 | 1907 | Pratt | Bottom board for beehives | |
| 00956615 | 1910 | Whitten | Beehive entrance guard and swarm controller | |
| 01064779 | 1913 | Schamu | Beehive | |
| 01080152 | 1913 | Matthews | Beehive | |
| 01116919 | 1914 | Rahn | Beehive | |
| 01100847 | 1914 | Schamu | Beehive | |
| 01198811 | 1916 | Aspinwall | Beehive | |
| 01247607 | 1917 | Akashi | Beehive attachment | |
| 01410444 | 1922 | Aspinwall | Nonswarming Beehive | |
| 01445778 | 1923 | Little | Queen excluding honey board | |
| 01462711 | 1923 | Lovett | Entrance for hives | |
| 01462933 | 1923 | Cottam | Collapsible queen and drone trap | |
| 01605948 | 1926 | Herzog | Grating or lattice for shutting off the queen in a beehive | |
| 01630856 | 1927 | markle | Wire queen excluder for beehives | |
| 01896925 | 1933 | Vikla | Trapper and retainer for bee swarms and separator for drones and queens | |
| 01982419 | 1934 | Chrysler | Queen bee excluder | |
| 01985543 | 1934 | Killian | Beehive construcition | |
| 02001845 | 1935 | Larsson | perforated queen excluder in beehives | |
| 02039088 | 1936 | Knights | Beehive | |
| 02128000 | 1938 | King | Beehive | |
| 02188719 | 1940 | King | Beehive | |
| 02578634 | 1951 | Pease | Queen and drone trap | |
| 02602940 | 1952 | Winklbauer | Drone trap | |
| 02607053 | 1952 | Harrison | Beehive automatic swarm control | |
| 02644175 | 1953 | Pease | Queen and drone trap | |
| 02811727 | 1957 | Faske | Bee robber and queen excluder | |
| 02897521 | 1959 | Sexton | Beehive | |
| 03426374 | 1969 | Johne | Method and device for congregating bee colonies | |
| 03581323 | 1971 | Rodgers | Vented entrance enclosure for beehives | |
| 03914812 | 1975 | Kent | Beehive | |
| 04094026 | 1978 | Simoni | Beehive | |
| 04135265 | 1979 | Van de Kerkof | Bee hive | |
| 04153960 | 1979 | Simoni | Beehive | |
| 04455699 | 1984 | Brown | Pollen trap for double queen colony with queen excluder | |
| 06645039 | 2003 | Rovera | Honeycomb-shallow box partition for beehives | |