| Hive - Having pollen collector or applier | ||||
|---|---|---|---|---|
| Patent Number | Date | Inventor | Description | |
| 02435951 | 1948 | ANTLES | Methond of and means for pollinating blossoms | |
| 02485879 | 1949 | Harwood | Beehive exit device | |
| 03069702 | 1962 | Reed | Apparatus for improving pollination of blossoms | |
| 03350728 | 1967 | Root | Combined pollen collector and entrance restriction for bee hives | |
| 03361368 | 1968 | Reed | Process for extracting pollen | |
| 03371360 | 1968 | Antles | Beehive exit device | |
| 03995338 | 1976 | Kauffeld | Pollen trap with cleaning grid | |
| 04135265 | 1979 | Van de Kerkof | Bee hive | |
| 04291424 | 1981 | Angelis | Beehive | |
| 04351074 | 1982 | Robson | Pollen trap | |
| 04337541 | 1982 | Brown | Pollen trap for beehives | |
| 04322861 | 1982 | Healy | Entrance for a beehive | |
| 04367563 | 1983 | Ferguson | Combination bee pollen trap and hive containment apparatus | |
| 04412363 | 1983 | Robson | Apparatus for collecting and distributing pollen | |
| 04435866 | 1984 | Brown | Pollen trap for beehives with dual entranceways | |
| 04435867 | 1984 | Jeong | Device for gathering the pollen from a bee | |
| 04455699 | 1984 | Brown | Pollen trap for double queen colony with queen excluder | |
| 04494263 | 1985 | Brown | Pollen trap for beehives with bee flight control | |
| 04517694 | 1985 | Hong | Pollen gathering device | |
| 04594744 | 1986 | Ferrari | Honeybee enpollinating system using multi-purpose beehive entrance device | |
| 04599757 | 1986 | Shaparew | Pollen trap | |
| 04739531 | 1988 | Robson | Bee venom collection apparatus | |