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Class Information
Number: 33/837
Name: Geometrical instruments > Distance measuring > Single contact with a work engaging support > Fluid actuated indicator
Description: Subject matter wherein the contacting member is activated by a liquid or gas in a passageway for measuring the movement of the member.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6435006 |
Method for the pneumatic measurement of lengths |
Aug. 20, 2002 |
| 5865059 |
Non-contact thickness gauge for non-metallic materials in the form of film, foil, tape and the like |
Feb. 2, 1999 |
| 5161312 |
Machine for monitoring the vertical position of a contact wire of an overhead line |
Nov. 10, 1992 |
| 4878298 |
Liquid indicator gauge |
Nov. 7, 1989 |
| 4526030 |
Multi-functional tire testing tool |
Jul. 2, 1985 |
| 4326369 |
Apparatus for checking the spindle plane on a cotton harvester |
Apr. 27, 1982 |
| 4237613 |
Shaft bearing wear measuring apparatus |
Dec. 9, 1980 |
| 4175331 |
Shaft bearing wear measuring apparatus |
Nov. 27, 1979 |
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