| |
 |
|
Class Information
Number: 73/861.72
Name: Measuring and testing > Volume or rate of flow > By measuring thrust or drag forces > By changing fluid direction
Description: Subject matter wherein the object or conduit segment changes the direction of the fluid and the forces imparted by the fluid are predominantly the reaction forces necessary to change the direction of the flow.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6644132 |
Flow profile conditioner for pipe flow systems |
Nov. 11, 2003 |
| 5905208 |
System and method measuring fluid flow in a conduit |
May. 18, 1999 |
| 5886267 |
System and method for bidirectional flow and controlling fluid flow in a conduit |
Mar. 23, 1999 |
| 5827977 |
Device and method for measuring multi-phase fluid flow and density of fluid in a conduit having a gradual bend |
Oct. 27, 1998 |
| 5717146 |
Device and method for measuring multi-phase fluid flow in a conduit having an abrupt gradual bend |
Feb. 10, 1998 |
| 5456121 |
Pivotable vane flowmeter with capacitive position sensor |
Oct. 10, 1995 |
| 5230251 |
Flowmeter |
Jul. 27, 1993 |
| 5044209 |
Reaction force flowmeter |
Sep. 3, 1991 |
| 5036712 |
Inertia force flowmeter |
Aug. 6, 1991 |
| 5033313 |
Inertia force flowmeter |
Jul. 23, 1991 |
| 5009248 |
Flowmeter |
Apr. 23, 1991 |
| 4986135 |
Apparatus and method for measuring fluid flow and density |
Jan. 22, 1991 |
| 4969364 |
Flowmeter |
Nov. 13, 1990 |
| 4860594 |
Apparatus and method for measuring mass flow and density |
Aug. 29, 1989 |
| 4856347 |
Method and apparatus for measuring the flow rate and velocity of a liquid in a pipeline |
Aug. 15, 1989 |
| 4848123 |
Shot peening mass flow and velocity sensing system and method |
Jul. 18, 1989 |
| 4781070 |
Flow meter |
Nov. 1, 1988 |
| 4765190 |
Flow metering device |
Aug. 23, 1988 |
| 4722232 |
Mass flow meter |
Feb. 2, 1988 |
| 4677859 |
Flow meter |
Jul. 7, 1987 |
| 4612814 |
Flow meter and densitometer apparatus |
Sep. 23, 1986 |
| 4569232 |
Reaction mass flowmeter |
Feb. 11, 1986 |
| 4513625 |
Flow meter and densitometer apparatus and method of operation |
Apr. 30, 1985 |
| 4393723 |
Fluid flow meter |
Jul. 19, 1983 |
| 4363991 |
Drag modification piezoelectric panels |
Dec. 14, 1982 |
| 4291584 |
Stalled turbine flow meter |
Sep. 29, 1981 |
| 4012959 |
Pressure gauge and flow meter |
Mar. 22, 1977 |
| 3978731 |
Surface acoustic wave transducer |
Sep. 7, 1976 |
|
|
|
