Subclass Subgroup Patent
E05B 9/04 09809995
  9/08 09809996
  15/00 09809997
  37/0034 09809998
  47/0001 09809999
  47/0004 09810000
  65/006 09810001
  65/52 09810002
  77/04 09810003
  81/04 09810004
  85/10 09810005
  85/14 09810006
  85/22 09810007
E05C 3/14 09810008
E05D 1/04 09810009
  7/0009 09810010
  15/38 09810011
E05F 3/104 09810012
  11/42 09810013
E05G 1/005 09810014