Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUS1787995 A
Publication typeGrant
Publication dateJan 6, 1931
Filing dateMar 10, 1928
Priority dateMar 10, 1928
Publication numberUS 1787995 A, US 1787995A, US-A-1787995, US1787995 A, US1787995A
InventorsReilly Frank C
Original AssigneeReilly Frank C
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Liquid identification
US 1787995 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

Jan. 6; 1931 F. c. REILLY 1,787,995

, LIQUID IDENTIFICATION Filed March 10, 1928 INVENTOR Patented Jan. 6, 1931 FRANK C. REILLY, OF NEW YORK, N. Y.

LIQUID IDENTIFICATION Application filed March 10, 1928. Serial No. 260,721.

and made recognizable to the users of the I same by small markers such as letters, initials or arbitrary symbols of about the same specific gravity as the oil so as to remain in suspension therein and flow freely in the pouring of the oil. These characters intermingle and distribute themselves more or less evenly throughout the oil without settling or on the other hand, floating to the surface and may be of such a nature as to dissolve and add certain lubricating qualities to the oil under the influence of a definite rise in temperature.

In the accompanying drawing, practical embodiments of the invention are illustrated.

Thus, in Figure 1,.letter symbols supplying the trade name of the oil are mixed in the oil so as to pour freely therewith.

Figures 2, 3 and 4 are detail views illustrating other forms of identifying characters. In Figure 1 numerous letter symbols5 are shown, formed of some suitable oily or other material, which with heat will become soluble in the body of oil 6. These letter symbols may supply the name, trade-mark, grade or otherwise identify the oil and while naturally they will not arrange themselves in the order to supply the trade name, grade or other identifying characteristic, they will be selected .with a view to afiording the desired identification,'even in their more or less jumbled state.

In the illustration just considered, six dif ferent letters are employed to supply the entire word, but if desired, only letters forming the initials or certain striking letters in the word may be selected. For example, in Figure 2, symbols in the form of circular figures 7 may be used. Figure 3 illustrates the use of star shaped identifying characters 8 and Figure 4 illustrates a fanciful character 9 made up of a combination of two letters.

The identifying symbols may have a natural color or be colored artificially to make them stand out in the liquid and they may be placed in the liquid at the time of manufacture .or subsequently, for instance, at a time when the liquid is packaged by the manufacturer or distributor.

The composition and specific gravity of the identifying characters will vary, depending upon the fluids in which they are used and they may be given characteristics for improving the quality of the fluid or for qualifying it in some other way. For example, in the case of fluids such as table syrups, the identifying characters may be made of sugary material spiced or flavored to give zest to the product, and in the case of lubricating oils, the identifying characters may be of an oily, greasy or similar material or materials for preventing carbon formation.

What is claimed is:

As a new article of manufacture, means for identifyinga liquid, comprising readable characters having a selected definite significance designating origin .or other desired characteristic or quality of the liquid, said characters being of a.- material having a specific gravity so related to that of the liquid as to float in a state of suspension in the body of liquid and be thereby distributed substantially uniformly throughout the liquid, said identifying characters being soluble in the enveloping liquid under influence ofheat.

In witness whereof, I have hereunto set my hand this 20th day of January, 1927.


Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3691983 *Sep 22, 1970Sep 19, 1972Greenwood Edward LIdentification system for water pollution detection
US3736500 *Oct 26, 1971May 29, 1973Gen ElectricLiquid identification using magnetic particles having a preselected curie temperature
US3861886 *Sep 30, 1971Jan 21, 1975Melpar IncMaterial identification coding methods and systems
US3964294 *Nov 1, 1974Jun 22, 1976California Institute Of TechnologyTechnique and system for coding and identifying materials
US4640035 *Aug 18, 1982Feb 3, 1987The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern IrelandIdentifying means
US5937554 *Jul 15, 1996Aug 17, 1999Colgate-Palmolive CompanyContainer with three dimensional designs
US6647649Nov 30, 2001Nov 18, 2003Tracking Technologies, Inc.Microparticle taggant systems
US7720254Mar 13, 2007May 18, 2010Smi Holdings, Inc.Automatic microparticle mark reader
US7831042Mar 13, 2007Nov 9, 2010Smi Holdings, Inc.Three-dimensional authentication of microparticle mark
US7885428Dec 18, 2009Feb 8, 2011Smi Holdings, Inc.Automatic microparticle mark reader
US8033450Mar 13, 2007Oct 11, 2011Smi Holdings, Inc.Expression codes for microparticle marks based on signature strings
US8220716Jan 21, 2011Jul 17, 2012Authentiform Technologies, LlcProduct authentication
US8223964Oct 6, 2010Jul 17, 2012Smi Holdings, Inc.Three-dimensional authentication of mircoparticle mark
US8247018Dec 20, 2006Aug 21, 2012Authentiform Technologies, LlcMethods for quality control
US8458475Jun 20, 2006Jun 4, 2013Authentiform Technologies, L.L.C.Systems and methods for product authentication
US9053364Oct 30, 2013Jun 9, 2015Authentiform, LLCProduct, image, or document authentication, verification, and item identification
US9320994Jun 24, 2015Apr 26, 2016Eastman Chemical CompanyMethod for making an acetate tow band with shape and size used for coding
US9358486Jun 24, 2015Jun 7, 2016Eastman Chemical CompanyMethod for characterizing fibers with shape and size used for coding
US9633579Jun 24, 2015Apr 25, 2017Eastman Chemical CompanyFibers with physical features used for coding
US20040098891 *Nov 18, 2003May 27, 2004Tracking Technologies, Inc.Microparticle taggant systems
US20060037222 *Dec 2, 2002Feb 23, 2006Dan HuntTaggants for products and method of taggant identification
US20070012783 *Jun 20, 2006Jan 18, 2007Mercolino Thomas JSystems and methods for product authentication
US20070160814 *Dec 20, 2006Jul 12, 2007Mercolino Thomas JMethods for quality control
US20080034426 *Mar 13, 2007Feb 7, 2008Smi Holdings, Inc.Three-dimensional authentication of microparticle mark
US20080174102 *Jan 22, 2008Jul 24, 2008Mckinnon LanceLabeling liquids
US20090136079 *Mar 13, 2007May 28, 2009Smi Holdings, Inc.Automatic microparticle mark reader
US20100128925 *Dec 18, 2009May 27, 2010Thomas StiermanAutomatic microparticle mark reader
US20100327050 *Mar 13, 2007Dec 30, 2010Smi Holdings, Inc.Expression codes for microparticle marks based on signature strings
US20110190920 *Jan 21, 2011Aug 4, 2011Mercolino Thomas JProduct authentication
U.S. Classification40/326
International ClassificationG09F3/00
Cooperative ClassificationG09F3/00
European ClassificationG09F3/00