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Class Information
Number: 73/163
Name: Measuring and testing > Coin
Description: Subject matter directed to the testing of coins.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7014029 |
Methods and systems for detecting coin fraud in coin-counting machines and other devices |
Mar. 21, 2006 |
| 6761257 |
Coin discriminating device, coin handling apparatus including such a device, and coin discriminating method |
Jul. 13, 2004 |
| 6668999 |
Coin sensor |
Dec. 30, 2003 |
| 6634482 |
Bill and coin checker |
Oct. 21, 2003 |
| 6536578 |
Sensor for coin acceptor |
Mar. 25, 2003 |
| 6079262 |
Coin identification procedure |
Jun. 27, 2000 |
| 5400891 |
Coin testing mechanism |
Mar. 28, 1995 |
| 5133019 |
Systems and methods for illuminating and evaluating surfaces |
Jul. 21, 1992 |
| 5048662 |
Coin discriminator |
Sep. 17, 1991 |
| 4998610 |
Coin detector and counter |
Mar. 12, 1991 |
| 4899392 |
Method and system for objectively grading and identifying coins |
Feb. 6, 1990 |
| 4845994 |
Coin testing apparatus |
Jul. 11, 1989 |
| 4838405 |
Coin checking device for discriminating denomination of a coin and detecting a coin abnormality |
Jun. 13, 1989 |
| 4811040 |
Numismatic detector |
Mar. 7, 1989 |
| 4774841 |
Monitoring the level of a stack of coins |
Oct. 4, 1988 |
| 4749074 |
Coin sorting apparatus with reference value correction system |
Jun. 7, 1988 |
| 4715223 |
Device for testing properties of coins |
Dec. 29, 1987 |
| 4509633 |
Electronic coin validator with improved diameter sensing apparatus |
Apr. 9, 1985 |
| 4493411 |
Self tuning low frequency phase shift coin examination method and apparatus |
Jan. 15, 1985 |
| 4471864 |
Slug rejector |
Sep. 18, 1984 |
| 4462513 |
Testing coins |
Jul. 31, 1984 |
| 4436196 |
Method of and apparatus for assessing coins |
Mar. 13, 1984 |
| 4398626 |
Low frequency phase shift coin examination method and apparatus |
Aug. 16, 1983 |
| 4371073 |
Coin checker for coins of varying diameter |
Feb. 1, 1983 |
| 4361218 |
Coin testing apparatus |
Nov. 30, 1982 |
| 4353453 |
Valid coin acceptor for coin actuated apparatus |
Oct. 12, 1982 |
| 4353452 |
Coin-handling device |
Oct. 12, 1982 |
| 4349095 |
Coin discriminating apparatus |
Sep. 14, 1982 |
| 4335604 |
Method and apparatus for the identification of coins or equivalent |
Jun. 22, 1982 |
| 4334604 |
Coin detecting apparatus for distinguishing genuine coins from slugs, spurious coins and the like |
Jun. 15, 1982 |
| 4333557 |
Solid state slug rejector |
Jun. 8, 1982 |
| 4326621 |
Coin detecting apparatus for distinguishing genuine coins from slugs, spurious coins and the like |
Apr. 27, 1982 |
| 4254857 |
Detection device |
Mar. 10, 1981 |
| 4206775 |
Coin sorting machine |
Jun. 10, 1980 |
| 4184366 |
Coin testing apparatus |
Jan. 22, 1980 |
| 4151904 |
Coin detection device |
May. 1, 1979 |
| 4134209 |
Device and method for measuring coin die rotation error |
Jan. 16, 1979 |
| 4058820 |
Coins organized identification numbering system apparatus and method |
Nov. 15, 1977 |
| 3992938 |
Device for comparative testing of the metallic content of coins or the like |
Nov. 23, 1976 |
| 3947722 |
Electronic scan methods for plasma displays |
Mar. 30, 1976 |
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