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Class Information
Number: 177/169
Name: Weighing scales > Preset > Spring support > Effective length of spring
Description: Apparatus including means for adjusting the length of the elastic section of the spring.

Patents under this class:

Patent Number Title Of Patent Date Issued
7611496 Liquid medicine-measuring device for liquid medicine-injecting device Nov. 3, 2009
7255003 Device for measuring and displaying the amount of beer in a keg Aug. 14, 2007
7156918 Weighing devices Jan. 2, 2007
6968805 Fuel level indicator for a portable fuel tank Nov. 29, 2005
6667444 Fluid container weighing apparatus which uses the fluid conduit as the weighing mechanism Dec. 23, 2003
6555765 Method and apparatus for determining the weight of the contents of a vessel Apr. 29, 2003
6410864 Liquefied gas amount measuring device Jun. 25, 2002
5922999 Portable scale for fishing purposes Jul. 13, 1999
4836316 Bath scale Jun. 6, 1989
4643266 Scales Feb. 17, 1987
4591013 Multi-range weight scale May. 27, 1986
4382478 Gas bottle contents gauge May. 10, 1983
4071104 Scale adjustment device Jan. 31, 1978
4030559 Portable weighing scale Jun. 21, 1977
4014396 Weighing apparatus Mar. 29, 1977

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