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Class Information
Number: 449/13
Name: Bee culture > Hive > With ventilator
Description: Structure with or including provision to encourage the flow of air through the hive.

Sub-classes under this class:

Class Number Class Name Patents
449/14 In cover 11

Patents under this class:

Patent Number Title Of Patent Date Issued
8517793 Pollen bee nest Aug. 27, 2013
7632167 Selective insect trapping system Dec. 15, 2009
5575703 Solar-powered beehive cooler and ventilator Nov. 19, 1996
4443904 Bee hive Apr. 24, 1984
4263684 Observation hive Apr. 28, 1981
4135265 Bee hive Jan. 23, 1979
4074378 Air ventilator for beehives Feb. 21, 1978
4007504 Hive entryway Feb. 15, 1977

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