MERCONTROL
Filed: September 23, 1949
CONTROLLING DEVICES, EMPLOYING ELECTRIC CIRCUIT CONTROLLING SWITCHES; NAMELY, [ VACUUM OPERATED ELECTRIC SWITCHES, ] PRESSURE…
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 71585243
VISI-FLOAT
Filed: June 20, 1950
GAUGES FOR INDICATING GAS PRESSURE DIFFERENTIALS
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 71599424
LITE RITE
Filed: October 29, 1952
ELECTRICAL TESTING MACHINES FOR DETERMINING CONDUCTIVITY OF FOOTWEAR
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 71637295
SAFE-T-OHM
Filed: October 30, 1953
ELECTRICAL INSTRUMENTS FOR TESTING GROUNDING, CONTINUITY, AND RESISTANCE
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 71637296
TRAIL-TAIL
Filed: November 15, 1968
STATIC PRESSURE SENSORS
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 72312286
MINIHELIC
Filed: March 20, 1969
PRESSURE GAUGES
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 72322218
MICROTECTOR
Filed: November 4, 1969
MANOMETERS WITH ELECTRICAL READOUT
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 72342589
LOVE
Filed: March 23, 1971
THERMOELECTRIC TRANSDUCERS
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 72387113
THE LOW PRESSURE PEOPLE
Filed: May 24, 1988
PRESSURE GAUGES; PRESSURE SWITCHES; COMBINATION PRESSURE SWITCHES AND GAUGES; AIR FILTER GAUGES; KITS FOR AIR FILTER GAUGE…
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 73730558
LEVELTECT
Filed: February 29, 1996
optical level switches
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 75065652
PLAST-A-VANE
Filed: October 17, 1996
automatic valves and valve discs therefor
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 75183850
PROMIXITY
Filed: May 8, 1998
position indicating switches, position indicating transmitters, level sensing switches for powders and bulk solids, level…
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 75481506
MAGNELINK
VALVE POSITION INDICATORS FOR INDICATING THE EXTENT TO WHICH A VALVE IS OPEN OR CLOSED AND PARTS THEREFOR
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 75676833
LOVE CONTROLS
TEMPERATURE ACTUATED CONTROL DEVICES, NAMELY, CONTROLLERS, INDICATORS, PROBES, TRANSFORMERS, ZERO CROSSOVER FIRING UNITS…
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 75780659
ULTRA-VIEW
FLOWMETERS
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 75890646
FILTER-SENSE
Electronic pressure sensors, electronic pressure indicators, electronic filter indicators for indicating the condition or…
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 77059970
OPTOPOT
Non-contact angular position sensors, namely, electric or electronic sensors for sensing rotational movement or rotational…
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 78696543
OPTOPOT
Non-contact angular position sensors, namely, electric or electronic sensors for sensing rotational movement or rotational…
Owned by: DWYER INSTRUMENTS, INC.
Serial Number: 78707400
