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Showing 1-15 of 15 results
  Mark Name Mark Description  
TWIN KAM
Owned by: KNAPPCO, LLC
Filed on: 04-11-2023
Status: Registered
Metal hose, pipe and tubing couplings for use in industrial products and fluid handling
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LYNX
Owned by: KNAPPCO, LLC
Filed on: 04-13-2016
Status: Section 8 and 15-accepted...
Metal couplings for use with a loading arm for use in transferring fluids to a rail tank car or tank truck trailer
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TWIN KAM
Owned by: KNAPPCO, LLC
Filed on: 03-21-2016
Status: Section 8 and 15-accepted...
Metal couplers for fluid handling lines
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OPW ENGINEERED SYSTEMS
Owned by: KNAPPCO, LLC
Filed on: 09-15-2004
Status: Renewed
pressure relief valves for rail cars and fixed tanks; site flow indicators; pressure isolation rings; level indicators, level switches and level gauge
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OPW
Owned by: KNAPPCO, LLC
Filed on: 09-15-2004
Status: Renewed
Pressure relief valves for rail cars and fixed tanks; site flow indicators; pressure isolation rings; level indicators, level switches and level gauge
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ENDURA
Owned by: KNAPPCO, LLC
Filed on: 04-30-2001
Status: Renewed
METAL SWIVEL JOINTS FOR USE IN TRANSFERRING LIQUIDS AND GASSES
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AUTOLOK
Owned by: KNAPPCO, LLC
Filed on: 12-22-2000
Status: Renewed
metal hose couplers
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DRYLOK
Owned by: KNAPPCO, LLC
Filed on: 02-26-1997
Status: Renewed
metal couplings for connecting fluid conduits
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ISO-RING
Owned by: KNAPPCO, LLC
Filed on: 04-07-1980
Status: Renewed
PRESSURE INSTRUMENT PROTECTORS FOR PREVENTING DIRECT EXPOSURE OF PRESSURE INSTRUMENTS TO FLUID MONITORED BY SUCH INSTRUMENTS, AND STRUCTURAL PAR
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ISO-SPOOL
Owned by: KNAPPCO, LLC
Filed on: 04-07-1980
Status: Renewed
PRESSURE INSTRUMENT PROTECTORS FOR PREVENTING DIRECT EXPOSURE OF PRESSURE INSTRUMENTS TO FLUID MONITORED BY SUCH INSTRUMENTS, AND STRUCTURAL PAR
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KAMVALOK
Owned by: KNAPPCO, LLC
Filed on: 10-20-1969
Status: Renewed
VALVE COUPLERS FOR FLUID DISPENSING EQUIPMENT
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KAMLOK
Owned by: KNAPPCO, LLC
Filed on: 11-07-1961
Status: Renewed
Hose and Faucet Adapters and Couplers
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VISI-FLO
Owned by: KNAPPCO, LLC
Filed on: 05-21-1952
Status: Renewed
GLASS FLOW GAGES OR INDICATORS
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KAMLOK
Owned by: KNAPPCO, LLC
Filed on: 09-11-1951
Status: Renewed
HOSE AND FAUCET ADAPTERS AND COUPLERS AND HOSE COUPLER HANDLES
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OPW
Owned by: KNAPPCO, LLC
Filed on: 09-28-1946
Status: Renewed
[ AUTOMATIC BARREL FILLERS, BALL AND SOCKET ATTACHMENTS FOR LOADING AND UNLOADING FLUID FUELS, ] BOTTOM LOADER ASSEMBLIES, BUSHINGS, CAGE VALVE
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Last synchronized with the USPTO at 3:00 AM 05-11-2025 US Central time.
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