Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Plants, Animals & Agriculture
Class Information
Number: 449/21
Name: Bee culture > Hive > Passage > Queen/drone control means
Description: Structure intended to restrict passage such that a queen bee or a drone is limited in movement therethrough, while permitting passage of worker bees.










Patents under this class:

Patent Number Title Of Patent Date Issued
6645039 Honeycomb-shallow box partition for beehives Nov. 11, 2003
4455699 Pollen trap for double queen colony with queen excluder Jun. 26, 1984
4153960 Beehive May. 15, 1979
4135265 Bee hive Jan. 23, 1979
4094026 Beehive Jun. 13, 1978











 
 
  Recently Added Patents
Complete context search system
Shoe upper
Push mechanism for efficiently sending aggregated data items to client
Early kill removal graphics processing system and method
Imaging apparatus having selection unit to select focus detection areas
Storage device performance alignment notification
Wheel
  Randomly Featured Patents
Transition metal complexes with (pyridyl)imidazole ligands
Managing limitation rules for wagering accounts
Triangular crawler apparatus
Asymmetrically substituted metallocenes which are functionalized on one cyclopentadienyl ring, and their preparation
Insulating fabric and method of producing same
Suction duct for the pneumatic removal of fiber tufts detached by a bale opener
VCO in CMOS technology having an operating frequency of 1 GHz and greater
Seal
Universal mobile communication system for wireless and wire line sensor network
Container storage assembly