VALCO INSTRUMENTS CO., INC.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 17189
 
  
 
B01D SEPARATION 3131
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING370
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL367
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 3108
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 2126
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9822772 Pump and injector for liquid chromatographyDec 16, 16Nov 21, 17[G01N, F04B, B01D]
9546646 Pump and injector for liquid chromatographyJan 15, 14Jan 17, 17[G01N, F04B]
9539524 Pump and injector for liquid chromatographyJul 17, 14Jan 10, 17[F04B, B01D]
9234608 Heated rotary valve for chromotographyJan 02, 14Jan 12, 16[F16K, G01N]
9188570 Photo ionization detector for gas chromatography having at least two separately ionizing sourcesAug 06, 14Nov 17, 15[H01J, G01N]
8963554 Pulsed discharge helium ionization detector with multiple combined bias/collecting electrodes for gas chromatography and method of useAug 23, 12Feb 24, 15[G01N]
8829914 Photo ionization detector for gas chromatography having two separately ionizing sources and methods of useNov 13, 12Sep 09, 14[H01J, G01N]
8772680 Adaptive temperature controllerNov 20, 13Jul 08, 14[H05B]
8642931 Adaptive temperature controllerOct 24, 08Feb 04, 14[H05B]
7601543 Method of modulating a second carrier for partial modulation via pulsed flow modulator for comprehensive two-dimensional liquid or gas chromatographyAug 18, 05Oct 13, 09[G01N]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7316777 Compression fitting nut with interlocked ferruleExpiredJan 18, 06Jan 08, 08[B01D]
2005/0197,538 Reagent and sample introduction plunger device for a syringeAbandonedFeb 25, 05Sep 08, 05[A61B]
4779465 Method and apparatus for training horn playersExpiredFeb 09, 87Oct 25, 88[G01L, G10D]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.