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

Icon_funbox Bizarre Patents

Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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.

 

Attorney: Stolzy; A. D.


Number of patents: 30
Last date: October 06, 1987

NumberTitleIssue Date
4698637Device for pulse modulation automatic control
A device for pulse modulation automatic control, where the modulation is a combined plurality of pulse components. Each pulse component is singly controlled by a respective control voltage or current, the control voltages and/or currents being fully indep...
10/06/1987
4492961System for deriving precise instants of triggering of a pulsed device
A system for correcting the time of occurrence of a triggering point along the rise time of a pulse, particularly in a DME system comprising interrogator and transponder stations. Actual received pulses which may be distorted by multipath signals or other...
01/08/1985
4492908Apparatus for synchronizing the slats of motor driven window blinds
This invention relates to a circuit arrangement and the associated mechanism for slaving the angles of rotation of the slats of a plurality of centrally controlled sun or window blinds. The driving motor of each blind is provided with current via a corres...
01/08/1985
4485679Fluid flowmeter
A vortex flowmeter having a double bluff body arrangement whereby vortices are generated at a rate corresponding to the fluid flow velocity. The upstream body and the downstream body together interact with the fluid stream to generate vortices. The arrang...
12/04/1984
4483635Paper guide for printers
Above the platen and throughout the entire width of the paper guide, the back of a guide member which is inclined in the direction of the paper eject, is firmly arranged. On bolts in the end faces pairs of levers are swivel mounted which, via tooth segmen...
11/20/1984
4480252Gas detector
A pellistor type combustible gas detector including a Wheatstone bridge therefor fed from a voltage regulator and a constant current generator. Two comparators detect, for example, 50% to 75% of the lower explosive limit of the gas to be detected and 25% ...
10/30/1984
4477816Corrugated antenna feed horn with means for radiation pattern control
A horn feed for use with a reflector for generating a narrow beam of radiated energy in a radar system. The horn includes surface corrugations and provides a unique configuration of horn flare angle, length of the corrugation pattern along the horn inside...
10/16/1984
4472022Vortex flowmeter
A vortex flowmeter including a single optical fiber into one end of which a light signal can be transmitted from a source to the other fiber end where it is vortex modulated. Modulated light at the other end is then reflected to a receiver back along the ...
09/18/1984
4468964Liquid meter
A vane-type liquid meter in which fluid input to and output from an annular measuring space are directed parallel to the rotational axis of a rotor. The fact that a separation block within the annular space is kept in place in a self-adjusting way gives t...
09/04/1984
4467232Direct-current machine
A DC machine (motor, etc.) with permanent field magnets arranged in the stator frame and designed as shells. The shell of each pole structure consists of two or more annular segments arranged one behind the other in the axial direction and staggered with ...
08/21/1984
4466695Rotary annular signal data coupler
An electro-optical arrangement for transmitting signal data as modulated light energy across a rotating annular interface. The modulated light beams according to the system are projected axially within an annular cavity and thence outward through a redund...
08/21/1984
4463326Planar N-way combiner/divider for microwave circuits
A microwave combiner/divider circuit instrumented in stripline medium and therefore planar in form. Circuit traces are produced by etching of a standard microwave printed circuit board having a conductive ground plane or base plate and a layer of low-loss...
07/31/1984
4460877Broad-band printed-circuit balun employing coupled-strip all pass filters
A TEM mode balun in a single-level microwave circuit in a transmission line medium selected from among the stripline, microstrip, airstrip, etc. media. The device employs coupled-strip all-pass filter elements to provide a pair of balanced input/output li...
07/17/1984
4446744Ultrasonic flowmeter
An ultrasonic flowmeter arrangement has a pair of electroacoustic transmit/receive transducers located in opposite walls of a pipe, the transducers being longitudinally displaced and facing one another, thus forming a bidirectional transmission path obliq...
05/08/1984
4445647Supply roll holding arrangement
A holding arrangement for the supply roll 6 of a tape-shaped recording medium is firmly arranged on the stationary part 1 of the cover of a printer. The holding brackets 2 are provided with bearings 22 which are open in the upward direction. Into these be...
05/01/1984
4445385Static pressure sensor with glass bonded strain gauge transducers
The disclosure is drawn to a statc pressure unit having a circular dividing fitting with two silicon strain gauges glass bonded thereto. The strain gauges are located to place one strain gauge in tension and one in compression when the fitting is pressuri...
05/01/1984
4444056Temperature compensated circuit
A differential pressure unit to induce tension and compression in respective strain gages to produce a change in the output of a Wheatstone bridge. The differential pressure or some function thereof is then indicated. Error due to temperature is avoided b...
04/24/1984
4441372Vortex flowmeter
An elongate body extends as a bar across a fluid flow passage and has a vortex shedding tapered head portion pointing upstream and a tail portion downstream of the head. The head has an axial length equal to or less than half the head width. The tail has ...
04/10/1984
4428695Cartridge with self adjusting pressure roller and end of ribbon detection means
A cartridge which contains two spools. The supply spool has wound about it a printing ribbon and the take-up spool being used for wrapping the used ribbon. The cartridge has a ribbon exit at one location and a ribbon entry at a remote location to define a...
01/31/1984
4426166Modular printer with coded plug compatible modules
A daisywheel printer having interchangeable modules for different respective communications with alternate corresponding plug-in connections....
01/17/1984
4417474Densitometer
A densitometer for use by itself or in a net oil computer. The densitometer includes two differential pressure units to detect the difference in pressure between two corresponding pairs of points and the differences substracted to provide a corrected dens...
11/29/1983
4416159Vortex flowmeter
A bluff body is placed in a fluid pipe with one flat face facing the oncoming fluid. Vortices are then generated and shed alternately from opposite edges of the body. This body is of a scalene triangle cross section, and in one version a hole extends tran...
11/22/1983
4415642Electrophotographic member of Se-Te-As with halogen
The metal substrate of an electrophotographic member is provided with a selenium-tellurium alloy layer containing 5-30% tellurium, 10-5,000 ppm of a metallic element of the fifth main group, and 10-100 ppm of a halogen. A preferred embodiment contains 15%...
11/15/1983
4411161Mass flowmeter or the like
A quartz tuning fork in a chamber adjacent a gas pipeline carrying a turbine flowmeter. The chamber is connected across the flowmeter turbine to receive a gas at a flow rate high enough to cause the tuning fork to vibrate. A main output frequency is devel...
10/25/1983
4399424Gas sensor
A semiconductor gas sensor comprises an insulating substrate (11) on which a resistive heater track (15) coupled to a pair of electrodes (12, 14) is deposited. A film (16) of a semiconductive metal oxide, typically a doped oxide, is ion-plated on to the a...
08/16/1983
4391541Mosaic printer and ribbon guide therefor
A plastic ribbon guide to fit on a print head of a mosaic printer. The printer is a ticket printer which holds the ribbon in a stable position adjacent the tray which also acts as an anvil. The ribbon is kept taut. The ribbon guide has a shape to hold the...
07/05/1983
4390515Method and apparatus for recovering elemental sulfur
Elemental sulfur is recovered from acid gas containing hydrogen sulfide (H2 S). Such H2 S may be produced from any conventional source such as an amine desulfurization plant. The acid gas and the H2 S therein is contacted ...
06/28/1983
4376922Filter connector
A filter connector is disclosed in which the insulator thereof contains a slot which is parallel to and intersects a row of contact cavities in the insulator. A monolithic capacitor is mounted in the slot with its live electrodes aligned with and facing t...
03/15/1983
4375764Liquid level system
A liquid level system employs a pair of vertically spaced sensors in a tank such as a boiler. Each sensor includes a pair of bellows. The first bellows is enclosed by a protective enclosure while the second bellows is exposed to the interior of the tank. ...
03/08/1983
4135383Vibration densitometer probe
A welded vibration densitometer probe to obviate frequency shifts due to temperature changes....
01/23/1979
 
Sign InRegister
Username  
Password   
forgot password?