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

Icon_funbox Famous Patents

In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.

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: Pierce; Kay H.


Number of patents: 31
Last date: November 14, 1995

NumberTitleIssue Date
5466725Anti-viral materials
The present invention relates to anti-viral materials. These anti-viral materials have a pool of anti-viral agents acting in cooperation with certain plasticizers to maintain and increase the anti-viral agents efficacy. These anti-viral materials may be u...
11/14/1995
4823833Fluid communication device
The present invention provides a sterile, unitized, economical device furnishing a fluid path between a plurality of solutions to be compounded and a receiving container. The device includes a plurality of fluid connectors and fluid lines sealingly connec...
04/25/1989
4778450Fluid flow control system
In a fluid flow control system a weight comparator compares the weight of fluid in a reservoir with a weight reference that is programmed to decrease at a desired rate. A fluid flow comparator compares the actual fluid flow rate with a programmed fluid fl...
10/18/1988
4778451Flow control system using boyle's law
A dispensing arrangement in a fluid line that isolates a region of fluid in the line from pressure effects in the line outside the region. A housing of measuring fluid surrounds the region so that changes in the measurement fluid pressure cause changes in...
10/18/1988
4776558Flow regulator device for pipes made of elastically deformable material
The flow regulator device comprises an internally threaded plug, a punch, a blade and a body. The body has a substantially parallelepipedal form defining a "C"-like cross section and a tower portion terminating in an externally threaded cylindrical tract,...
10/11/1988
4706827Container such as a nursing container, and packaging arrangement therefor
A container such as a nursing container, and packaging arrangement are disclosed of the type employing a rigid outer sleeve or holder and a flexible inner container. The inner container is pre-filled and sterilized and attached to an access assembly such ...
11/17/1987
4673397Splash back reduction drip chamber
A medical fluid administration set and a drip chamber (10) for use on the administration set are disclosed. The drip chamber (10) may be used with conventionally available drop counters whereby fluid flow can be monitored. The drip chamber (10) is intende...
06/16/1987
4670152Priming system for ultrafiltration unit
A system is disclosed for priming an ultrafiltration unit (10) connected to a blood source, without requiring a pump in the blood line. An ultrafiltration unit (10) is provided having an ultrafiltration membrane which separates a blood compartment from an...
06/02/1987
4662599Roller clamp having improved infeed section
A novel roller clamp is described for controlling flow of fluids in flexible tubing used for intravenous fluid administration to a patient. The roller clamp includes a unique placement means to enhance placement of a roller within a clamp body or frame. T...
05/05/1987
4653010Compounding system
The present invention provides a fast, efficient and precise method and apparatus for compounding a large number of solutions for use in hyperalimentation therapy. The apparatus includes a host computer which maintains a data base of prescriptions to be c...
03/24/1987
4648430Device and method for collecting a desired weight amount of a material
A method and apparatus of collecting a desired end-point weight amount of material first conveys the material into the collection container until a predetermined weight amount is collected. The predetermined weight amount is less than the desired end-poin...
03/10/1987
4647219Safety system for heating conduit
A process is provided for detecting if a temperature sensor (18) is correctly located in a heating conduit at a point that is remote from the heater (28). Power is applied to the heater (28) in a predetermined manner. The change in the temperature sensed ...
03/03/1987
4643713Venous reservoir
A venous reservoir is provided in which a blood inlet (42) is located at an inlet end (70) of the container (48) which extends upwardly with a fast rise and for a sufficient distance to allow the blood entering the inlet to enter a large volume and to exp...
02/17/1987
4628186Heater-scale for heating fluids for injection into a patient
A heater-scale having a curved supporting member upon which a bag of fluid to be heated can be placed, has a distributed two-dimensional heating element affixed to a lower surface thereof. The curved member is supported by a load cell for generating an el...
12/09/1986
4627060Watchdog timer
A self-checking timer usable with a host system includes a clock and a plurality of interconnected counters. During a power-up phase the timer generates a system reset signal and counts the counters in a predetermined sequence. A flip-flop is set and rese...
12/02/1986
4616802Tubing occluder
A flexible tubing occluding device is provided for releasably occluding flexible tubing. The tubing occluding device includes housing that is adapted to receive the tubing and defines a tubing occluding surface against which a transverse section of the tu...
10/14/1986
4612639Apparatus and method for reading switches
A switch and decoder circuit and method of reading same includes a 4 to 16 line decoder latch for selectively enabling up to 14 manually settable switches, each of which generates a BCD code in response to a switch setting, a plurality of thumb wheel swit...
09/16/1986
4606866Wettable devices operational with aqueous liquid and method therefor
A humidifier (10) used in respiratory therapy is disclosed where the surface tension of a light probe (32) used therewith is maintained greater than the surface tension of the aqueous liquid used in the humidifier (10). Maintaining the surface tension of ...
08/19/1986
4603152Antimicrobial compositions
Antimicrobial compositions finding particular utility for coating access systems, lead devices including shunts, cannulae, catheters, catheter adapters, wires and other solid or hollow tubular devices used for a variety of medical purposes is provided. Th...
07/29/1986
4596550Method and apparatus for ultrafiltration measurement in a two pump dialysis system
A blood flow system for processing blood has two phases of operation, an arterial phase and a venous phase. During the arterial phase, the system is filled with blood through operation of an arterial blood pump. When a predetermined blood pressure level i...
06/24/1986
4596374Clamp valve
An occluder valve for closing off the flow of fluid in a flexible plastic tube includes a linearly movable pinch member coupled to a rotatable shaft through a nut. The shaft is coupled to an electric motor through an electrically energizable clutch. The o...
06/24/1986
4595002Nebulizer
A nebulizer is provided which includes a liquid container and a cap attachable thereto. The cap includes a outlet port for delivery of a nebulized liquid/gas mixture to a patient, a gas inlet, a venturi in communication with the gas inlet, a conduit throu...
06/17/1986
4587518Monitor and control system for water purification apparatus
A monitor and control system for water purification apparatus includes first and second conductivity cells located in the input water path and the purified product water path of the apparatus, respectively. The conductivity cells produce output signals ex...
05/06/1986
4586882Tubing occluder pump
A tubing occluder pump is provided that includes a structure for occluding flexible tubing that distributes a relatively low amount of force at the transverse center portion of the tubing during occlusion and a relatively large force at the distal transve...
05/06/1986
4583975Indirect piezoelectric drop counter and method
The present invention provides an accurate method and apparatus for monitoring the drop flow rate from a fluid source. The drops are indirectly sensed by piezoelectric means mounted on a drip chamber when the drops impinge on a fluid surface in the chambe...
04/22/1986
4573974Medical administration set enabling sequential delivery of two liquids at different flow rate
A medical liquid administration set is disclosed for the sequential administration of two medical liquid sources which can be delivered at different liquid flow rates without readjustment of the administration set. The set includes first and second condui...
03/04/1986
4554492Motor control system
A system is provided for increasing the control accuracy of a motor 12 which feeds back a signal to a motor control circuit 14. The motor control circuit output 20 provides a command voltage to the motor winding. The motor control circuit 14 has an input ...
11/19/1985
4533208Evanescent-wave star coupler on a substrate
A star coupler is described in which a plurality of optical fibers are embedded in a first rigid substrate. The fibers may be etched or polished to a core area to expose a first evanescent coupling zone. A second substrate has one or more optical fibers e...
08/06/1985
4514054Quadrature fiber-optic interferometer matrix
An optical interferometer matrix is described which includes a reference waveguide for optically transmitting a reference signal. The optical interferometer matrix further includes a signal source waveguide for optically transmitting a source signal which...
04/30/1985
4302960Portable hose fitting crimping device
A portable hose fitting crimping machine using an interchangeable cartridge die assembly in conjunction with a portable framework so as to provide for an efficient means for crimping hoses and couplings of different sizes without reliability and calibrati...
12/01/1981
4300597Dust cover assembly for quick disconnect coupling
A dust cover for a quick disconnect coupling in which a clamping means is attached to the female half of the coupler and supports spring means which closes the cover and aligns the same on two mutually perpendicular axes....
11/17/1981
 
Sign InRegister
Username  
Password   
forgot password?