Resources Contact Us Home
Browse by Category: Main > Plants, Animals & Agriculture
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

  Recently Added Patents
LCD television set capable of external connection with application processor
Fabricated leaf tea products
Modified polyolefin resin for glass fiber treatment, surface-treated glass fiber, and fiber-reinforced polyolefin resin
Expressive grouping for language integrated queries
Multi-carrier operation for wireless systems
Tandem electric machine arrangement
Surface acoustic wave resonator for down-hole applications
  Randomly Featured Patents
Toughened cyanoacrylate adhesives containing alkene-acrylate copolymers and method for production
Magnetic element utilizing free layer engineering
Electrostatic recording head, a method for manufacturing the same, and an apparatus for practicing this method
Cathodic arc vapor deposition apparatus (annular cathode)
Image forming apparatus incorporating therein a fixing unit capable of cleaning a fixing roller by means of an oil roller and a cleaning roller
Spindle motor
Bit log likelihood ratio evaluation
Leak test fixture
Single case low pressure turbine