Distance measuring > Opposed contacts > Fluid indicator > Patents

Resources

Home

Browse by:

Browse by Category: Main > Information Technology

Class Information
Number: 33/785
Name: Geometrical instruments > Distance measuring > Opposed contacts > Fluid indicator
Description: Subject matter wherein the indicator is moved by fluid pressure or fluid is the indicator.

Sub-classes under this class:

Class Number	Class Name	Patents
33/786	Liquid column indicator	5

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6339886	Remotely measured caliper for wellbore fluid sample taking instrument	Jan. 22, 2002
5191720	Spot welding inspecting apparatus	Mar. 9, 1993
4771550	Measuring apparatus	Sep. 20, 1988
4362193	Inflating apparatus for playballs	Dec. 7, 1982
4008523	Digital electro-optical micrometer and gages	Feb. 22, 1977