Dwyer Instruments, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 1442
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 752
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 589
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 342
 
  
 
G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT 354
 
  
 
1004 OTHER MEASURING INSTRUMENTS, APPARATUS AND DEVICES234
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
F15D FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS 110
 
  
 
F16H GEARING199
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0248,627 ANEMOMETERDec 29, 16Aug 31, 17[G01P]
2017/0176,043 SYSTEM, METHOD, AND APPARATUS FOR BALANCING AN HVAC SYSTEMDec 21, 15Jun 22, 17[G05B, F24F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9583967 Ruggedized pressure transducer with integrated wireless antenna and rechargeable battery systemOct 20, 14Feb 28, 17[H02J, G01L]
9524630 Radon mitigation system monitoring having a fluid flow switch with an adjustable wingSep 19, 14Dec 20, 16[G08B, G01P, F24F, G01F]
9395386 Electronic tilt compensation for diaphragm based pressure sensorsMar 14, 13Jul 19, 16[G01P]
9194760 Capacitive pressure sensor with reduced parasitic capacitanceMar 14, 13Nov 24, 15[G01L]
8563884 Manual reset pressure switchDec 27, 10Oct 22, 13[H01H]
8528410 Pressure gage with flexible beam and clamping memberSep 06, 12Sep 10, 13[G01L]
8528412 Pressure gage with removable seal member and diaphragmSep 05, 12Sep 10, 13[G01L]
8511167 Pressure gage with removable housing and helixSep 12, 12Aug 20, 13[G01L]
8495916 Mounting apparatus for a pressure gageSep 12, 12Jul 30, 13[G01L]
8424705 Gage cover retention mechanismSep 01, 09Apr 23, 13[B65D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0278,184 Zero Deadband Processing for Velocity TransmittersAbandonedMar 15, 13Sep 18, 14[G01L]
5103757 Self cleaning device for sight flow indicatorsExpiredFeb 19, 91Apr 14, 92[G01F]
5083092 Stand-on type resistance tester for electrostatic dissipating shoe equipped personsExpiredAug 21, 90Jan 21, 92[G01R]
D316982 Pressure gauge housingExpiredOct 13, 88May 21, 91[]
5012678 Overpressure relief safety plug for pressure gaugesExpiredAug 15, 90May 07, 91[G01L]
4938076 Target fluid flow indicator gaugeExpiredJul 17, 89Jul 03, 90[G01F]
4890497 Differential pressure gauge transmitterExpiredAug 25, 88Jan 02, 90[G01L]
4860583 Air velocity transmitter deviceExpiredMay 27, 88Aug 29, 89[G01F]
4841782 Target fluid flow indicator gaugeExpiredSep 11, 87Jun 27, 89[G01F]
4838090 Multicoil bourdon tube type pressure gaugeExpiredSep 30, 88Jun 13, 89[G01L]
D301018 Gas pressure measuring and data transmitting deviceExpiredApr 07, 86May 09, 89[]
4827095 Differential pressure switch assembly with high static pressure use characteristicsExpiredApr 12, 88May 02, 89[H01H]
D294230 FlowmeterExpiredJun 11, 87Feb 16, 88[]
4725700 Airflow switch for air ductsExpiredJun 29, 87Feb 16, 88[H01C]
D293655 FlowmeterExpiredFeb 05, 85Jan 12, 88[]
4718279 Dual bourdon tube type sensing pressure transducerExpiredDec 01, 86Jan 12, 88[G01L]
D287703 Mounting clip for flowmetersExpiredJun 20, 84Jan 13, 87[]
D287456 Hexagonal installation key for a flow meterExpiredJun 20, 84Dec 30, 86[]
4631374 Diaphragm operated switch type bin level sensorExpiredDec 06, 85Dec 23, 86[H01H, B67D]
4559834 Multipurpose flowmeter arrangementExpiredAug 30, 84Dec 24, 85[G01F]

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