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Class Information
Number: 33/717
Name: Geometrical instruments > Distance measuring > Sounding type > With sampling means
Description: Subject matter combined with means for taking a small part or quantity of solid matter or fluent material.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6347461 |
Portable draft measurement device and method of use therefor |
Feb. 19, 2002 |
| 5691488 |
Portable sampling apparatus and system |
Nov. 25, 1997 |
| 5385059 |
Sludge sampler |
Jan. 31, 1995 |
| 5263376 |
Sample-taking device for a storage tank |
Nov. 23, 1993 |
| 5072625 |
Liquid level and sampling gauge |
Dec. 17, 1991 |
| 4991434 |
Method and apparatus for determining whether a liquid in a reservoir is above a certain level |
Feb. 12, 1991 |
| 4887361 |
Streamlined freeboard measuring device |
Dec. 19, 1989 |
| 4821587 |
Depth gauge-analyzer |
Apr. 18, 1989 |
| 4760747 |
Liquid sampling and measuring device |
Aug. 2, 1988 |
| 4583293 |
Liquid level gauge and sampling device |
Apr. 22, 1986 |
| 4468859 |
Liquid depth measuring device |
Sep. 4, 1984 |
| 4468975 |
Gauge well float for floating roof storage tanks |
Sep. 4, 1984 |
| 4455882 |
Device for measuring a whole day urinary output |
Jun. 26, 1984 |
| 4354382 |
Device for determining the level of melt in a ladle or the like |
Oct. 19, 1982 |
| 4346519 |
Liquid level and liquid coring gauge |
Aug. 31, 1982 |
| 4294273 |
Fluid proportioning device |
Oct. 13, 1981 |
| 4292739 |
Liquid measure dip stick |
Oct. 6, 1981 |
| 4197744 |
Gas safety roof gauging control hatch adapter |
Apr. 15, 1980 |
| 4196627 |
Method and apparatus for obtaining a selective liquid sample from near the bottom surface of a liquid-filled tank |
Apr. 8, 1980 |
| 4055898 |
Means for facilitating checking and replenishment of crankcase oil in a small engine |
Nov. 1, 1977 |
| 4003260 |
Apparatus for testing molten metal |
Jan. 18, 1977 |
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