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Class Information
Number: 449/20
Name: Bee culture > Hive > Passage
Description: Structure comprising that portion of a hive intended to allow movement of bees from one portion of the hive to another.

Sub-classes under this class:

Class Number Class Name Patents
449/24 Adjustable 2
449/22 Moth control means 1
449/23 One-way passage 5
449/21 Queen/drone control means 5

Patents under this class:

Patent Number Title Of Patent Date Issued
7632167 Selective insect trapping system Dec. 15, 2009
6910941 Honey bee monitoring system for monitoring bee colonies in a hive Jun. 28, 2005
6468129 Beehive bottom board for reducing parasite infestation Oct. 22, 2002
6450858 Beehive movable top entrance Sep. 17, 2002
5989100 Bee disseminator of biological controls Nov. 23, 1999
5895310 Method for year-round utilization of pollinating insects such as bumble bees and constant temperature box for achieving this Apr. 20, 1999
5348511 Beehive-mounted device for utilizing honeybees (hymenoptera: apidae) in the dissemination of biocontrol agents Sep. 20, 1994
5019011 Closure for brood chamber May. 28, 1991
4739531 Bee venom collection apparatus Apr. 26, 1988
4736479 Method and cover board for harvesting honey in free beekeeping Apr. 12, 1988

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