U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Comic actor Danny Kaye received patent D166,807 for the co-design of "Blowout Toy or the Like". It's similar to one of those toys that unravels when you blow into at a birthday party except Kaye's has three blowouts going in different directions, not just one.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 73/1.67 - Using or containing liquid


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein either (a) the apparatus proving
No. of patents: 10
Last issue date: 11/06/2007


NumberTitleIssue Date
7290433Method and device for checking a sensor
In an industrial installation equipped with a sensor, a method is provided for checking the sensor and providing a measurement sequence associated with the sensor. Monitoring occurs for a thermodynamic parameter of a monitored fluid circulating in the industrial ins...
11/06/2007
7266467Method to calibrate hydraulic flow valves in situ
A method for performing system characterization in situ for a system comprising a actuator controlled by a proportional controller. The system includes a quasi-linear region characterized by a slope of the system response and by a delay in the quasi-linear region of...
09/04/2007
7024918Apparatus and methods for dynamically pressure testing an article
The dynamic pressure tester includes a first cylinder and a first piston movable relative to the cylinder. The piston may have one or more weights applied thereto. The cylinder is vibrated by a shaker table and pressure pulses in the fluid are transmitted to a stati...
04/11/2006
6484383Method of airtight bonding of two membranes
A method for airtight joining of two membranes. An airtight and complete bonding of the two membranes is achieved by first producing a curvature in one of the membranes, then placing the convexly curved side of a membrane onto the membrane to be joined to...
11/26/2002
6072400Smart electronic muzzle reference light source
An electronic light source which replaces the hazardous tritium light sou used in the existing Muzzle Reference System (MRS) found on the M1 Series of tanks. The MRS is mounted near the muzzle end of the gun (opposite the breech) and is used by tank gunn...
06/06/2000
4499751Dynamic pressure generator
A pressure generator for testing and calibrating pressure transducers has a body with an internal chamber. The chamber is filled with a liquid, statically pressurized. A piston is mounted in the chamber on a suspension member. A coil, mounted to move with...
02/19/1985
4499903Methods and apparatus for testing a blood pressure monitoring system of the hydraulic type
The present invention relates to improved apparatus and improved methods for quickly and economically checking the functional performance of blood pressure monitoring systems of the hydraulic type, both prior to and during patient use of the system. More ...
02/19/1985
4471646Blood pressure cuff calibration system
An apparatus for measuring the pressure-transmitting characteristics of a blood pressure cuff in terms of delivered cuff pressure. It consists of a somewhat flexible cylindrical supporting tube containing a non-compressible liquid, connected to a pressure...
09/18/1984
4297081Liquid level control system
A pump control system using a purge bubbler, a flat plate manometer having level sensing contacts therein, and control relays and alarms. The flat plate manometer includes a rectangular mercury column having calibration scales and a number of stainless st...
10/27/1981
4102175Response time verification of in situ hydraulic pressure sensors in a nuclear reactor
Method and apparatus for verifying response time in situ of hydraulic pressure and pressure differential sensing instrumentation in a nuclear fluid circuit is disclosed. Hydraulic pressure at a reference sensor and at an in situ process sensor under test ...
07/25/1978
 
Sign InRegister
Username  
Password   
forgot password?