| |
 |
|
Class Information
Number: 73/861.41
Name: Measuring and testing > Volume or rate of flow > By counting drops, bubbles, or particles
Description: Subject matter wherein the fluid consists of or is converted into discrete drops, bubbles or particles which are detected and counted.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7389786 |
Ultrasonic and sonic odorization systems |
Jun. 24, 2008 |
| 7334780 |
Device and method for manufacturing carbonated spring and carbonic water, control method for gas density applied thereto and membrane module |
Feb. 26, 2008 |
| 7310046 |
Method for eliminating reading errors in a non-contact microwave solids flow meter |
Dec. 18, 2007 |
| 7237767 |
Device and method for manufacturing carbonated spring and carbonic water, control method for gas density applied thereto and membrane module |
Jul. 3, 2007 |
| 7181969 |
Ultrasonic test chamber for tray production system and the like |
Feb. 27, 2007 |
| 7034549 |
Device to detect and measure the concentration and characterization of airborne conductive or dielectric particles |
Apr. 25, 2006 |
| 6814992 |
Anaerobic fermentation method and apparatus |
Nov. 9, 2004 |
| 6809821 |
Optical-reflectance-based mass-flow sensor |
Oct. 26, 2004 |
| 6726774 |
Bubble detection system for detecting bubbles in photoresist tube |
Apr. 27, 2004 |
| 6660528 |
Method for monitoring contaminating particles in a chamber |
Dec. 9, 2003 |
| 6640649 |
Droplet counter for low flow rates |
Nov. 4, 2003 |
| 6623630 |
Method and apparatus for monitoring a fluid system |
Sep. 23, 2003 |
| 6571644 |
Method and device for determining the filling level for the ascertainment of the simmering process of mineral oil products |
Jun. 3, 2003 |
| 6175227 |
Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle |
Jan. 16, 2001 |
| 6161395 |
Liquid level sensor |
Dec. 19, 2000 |
| 6131471 |
Liquid level sensor |
Oct. 17, 2000 |
| 6040667 |
System and method for driving wipers in a windshield wiper system |
Mar. 21, 2000 |
| 5962793 |
Compact feed pellet durability tester |
Oct. 5, 1999 |
| 5920018 |
Real time volumetric flow sensor |
Jul. 6, 1999 |
| 5913236 |
Protection system for hydraulic systems against leaks/floods, freezing and pressure |
Jun. 15, 1999 |
| 5679907 |
Method and device to determine the aerodynamic diameter of particles |
Oct. 21, 1997 |
| 5650564 |
Fluid drip detection system |
Jul. 22, 1997 |
| 5576499 |
Measuring and monitoring the size of particulate material |
Nov. 19, 1996 |
| 5559339 |
Method and apparatus for verifying dispense of a fluid from a dispense nozzle |
Sep. 24, 1996 |
| 5555797 |
Control system and method for a kimchi fermentor |
Sep. 17, 1996 |
| 5500992 |
Method of making stress relieved count probe |
Mar. 26, 1996 |
| 5490428 |
Metering of liquid substances |
Feb. 13, 1996 |
| 5447692 |
On-line process flow and reaction monitor |
Sep. 5, 1995 |
| 5411052 |
Liquid supply apparatus |
May. 2, 1995 |
| 5331309 |
Drip detecting device and drip alarming device and drip rate control device which incorporate drip detecting device |
Jul. 19, 1994 |
| 5254102 |
Apparatus for controlling the rate of dripping of intravenous fluid |
Oct. 19, 1993 |
| 5219008 |
Ice dispenser for soft drink system |
Jun. 15, 1993 |
| 5186057 |
Multi-beam liquid-drop size/rate detector apparatus |
Feb. 16, 1993 |
| 5144714 |
Vacuum cleaner |
Sep. 8, 1992 |
| 5134426 |
Optical device for generating pattern having uniform light intensity distribution |
Jul. 28, 1992 |
| 5125268 |
Method and apparatus for acoustically measuring rainfall |
Jun. 30, 1992 |
| 5092181 |
Method and apparatus for measuring gas flow using bubble volume |
Mar. 3, 1992 |
| 5045069 |
Portable infusion monitor |
Sep. 3, 1991 |
| 5041990 |
Method and apparatus for measuring entrained gas bubble content of flowing fluid |
Aug. 20, 1991 |
| 5002539 |
IV rate meter |
Mar. 26, 1991 |
| 4979119 |
Method and system for monitoring the propellant consumption of a space vehicle |
Dec. 18, 1990 |
| 4958503 |
Gas detector and method for refrigeration systems |
Sep. 25, 1990 |
| 4909797 |
Enteral delivery set with shaded drip chamber |
Mar. 20, 1990 |
| 4890500 |
Measuring apparatus |
Jan. 2, 1990 |
| 4869722 |
Flow monitor of liquid drops |
Sep. 26, 1989 |
| 4829448 |
Air-in-line detector |
May. 9, 1989 |
| 4827766 |
Dual filter, drop based, digital raingauge |
May. 9, 1989 |
| 4743760 |
Method and apparatus for metering flowable particulates |
May. 10, 1988 |
| 4718896 |
Apparatus and method for controlling the flow of fluid through an administration set |
Jan. 12, 1988 |
| 4690249 |
Precisely recurrently controllable dropwise liquid-feeders |
Sep. 1, 1987 |
|
|
|
