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Class Information
Number: 177/45
Name: Weighing scales > With alarm or signal
Description: Apparatus with means to audibly or visually convey information in addition to that of the regular weigher indicator.










Sub-classes under this class:

Class Number Class Name Patents
177/47 In balance 4
177/46 In unbalance 13
177/49 Of additional counterpoise 0


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8604939 Electronic balance Dec. 10, 2013
8552313 Systems and methods for reducing weighing errors associated with partially off-scale items Oct. 8, 2013
8395479 Commodity management apparatus Mar. 12, 2013
8199008 Personal alarm system Jun. 12, 2012
7977586 Weight sensor and balance controller for a blood purification system Jul. 12, 2011
7868743 Alarm termination floor apparatus Jan. 11, 2011
7761258 Method of monitoring a load condition of a vehicle Jul. 20, 2010
7706947 Industrial truck having increased static or quasi-static tipping stability Apr. 27, 2010
7620521 Dynamic weight sensing and classification of vehicular occupants Nov. 17, 2009
7504938 Security system and monitoring method using power line communication technology Mar. 17, 2009
7276669 Payload overload control system Oct. 2, 2007
7253366 Exit alarm for a hospital bed triggered by individual load cell weight readings exceeding a predetermined threshold Aug. 7, 2007
7061389 Seat weighing device Jun. 13, 2006
6998541 Automatic surgical sponge counter and blood loss determination system Feb. 14, 2006
6617530 Scale with use reminder and weight change messages Sep. 9, 2003
6590167 Digital filter for fluid scale Jul. 8, 2003
6528739 Fluid container sensor Mar. 4, 2003
6307163 Chemical mixer tank calibrator and calibrating method for the same Oct. 23, 2001
6137066 Weighing device Oct. 24, 2000
6121555 Fluid container sensor Sep. 19, 2000
6118082 Solid-state sliver sensor and auto-leveler for textile machine Sep. 12, 2000
6066252 Alarm mechanism for chlorinator in aerobic waste treatment system May. 23, 2000
6025563 Apparatus and method for indicating load weight of a vehicle Feb. 15, 2000
6018129 Solid-state sliver sensor and auto-leveler for textile machine Jan. 25, 2000
5994650 Safety system for lift trucks Nov. 30, 1999
5986220 Deadweight calculating apparatus and medium having program recorded thereon for calculating deadweight Nov. 16, 1999
5900592 Load sensing system May. 4, 1999
5895892 Overload detection system Apr. 20, 1999
5837945 Refuse weighing system and method Nov. 17, 1998
5819901 Coin hopper measurement and control system Oct. 13, 1998
5773767 Scale with reset extender bar Jun. 30, 1998
5767454 Electronic scale including a fault-detecting electronic display module Jun. 16, 1998
5635906 Retail store security apparatus Jun. 3, 1997
D372780 Solution bottle positioner Aug. 13, 1996
5545855 Electronic fish scale for coding and storing weights and displaying same in inverse order Aug. 13, 1996
5539157 Multi-check metering method using load cells and metering device for the same Jul. 23, 1996
5393935 Portable scale Feb. 28, 1995
5296655 Control system for multiple input scales Mar. 22, 1994
5285022 Partial weight bearing scale Feb. 8, 1994
5174033 Angle sensor for a steerable boring tool Dec. 29, 1992
5139100 Point-of-sale scanner/scale system with scale activation of scanner Aug. 18, 1992
5112319 Infusion alarm system May. 12, 1992
5076375 Load cell Dec. 31, 1991
5072798 Crane scale load recording device Dec. 17, 1991
5052504 Sales data transmission system Oct. 1, 1991
5014798 Patient compliance medicine cap May. 14, 1991
4883200 Thermoplastic melting apparatus with a level indicator Nov. 28, 1989
4638875 Blending system weighing unit Jan. 27, 1987
4635739 Payload monitor Jan. 13, 1987
4630696 Apparatus and method for automatic system calibration to provide enhanced resolution in computerized weighing systems Dec. 23, 1986

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