| Patent Number |
Title Of Patent |
Date Issued |
| D578208 |
Frame for a full face respirator mask |
October 7, 2008 |
|
| D574486 |
Full face respirator |
August 5, 2008 |
|
| D569503 |
Exhale valve cover |
May 20, 2008 |
|
| D569502 |
Exhale valve cover |
May 20, 2008 |
|
| D567366 |
Full face respirator lens outlet ports |
April 22, 2008 |
|
| D374394 |
Coupling eye for a window operator |
October 8, 1996 |
|
| D340502 |
Fishing lure |
October 19, 1993 |
|
| 7413018 |
Apparatus for wellbore communication |
August 19, 2008 |
| Methods and apparatus for communicating between surface equipment and downhole equipment. One embodiment of the invention provides a wellhead assembly that allows electrical power and signals to pass into and out of the well during drilling operations, without removing the valve structur |
| 7403160 |
Low profile smart antenna for wireless applications and associated methods |
July 22, 2008 |
| A low profile smart antenna includes an active antenna element carried by a dielectric substrate, and active antenna element has a T-shape. Passive antenna elements are carried by the dielectric substrate, and they have an inverted L-shaped portion laterally adjacent the active antenna |
| 7268731 |
Multi-band antenna for wireless applications |
September 11, 2007 |
| A folded monopole antenna that supports lower and upper frequency bands may be used in CDMA, WLAN, or other wireless communications systems. The folded monopole antenna may be located in a handset next to a vertical ground plane. The folded monopole antenna may be folded at least twice |
| 7253783 |
Low cost multiple pattern antenna for use with multiple receiver systems |
August 7, 2007 |
| An antenna assembly includes at least two active or main radiating omni-directional antenna elements arranged with at least one beam control or passive antenna element used as a reflector. The beam control antenna element(s) may have multiple reactance elements that can electrically |
| 7239288 |
Access point antenna for a wireless local area network |
July 3, 2007 |
| An access point antenna for a wireless local area network (WLAN) includes a combiner network with a feed point, a ground plane adjacent the combiner network, and a dielectric substrate adjacent the ground plane. Conductive paths are on the dielectric substrate and are coupled to the |
| 7224321 |
Broadband smart antenna and associated methods |
May 29, 2007 |
| A smart antenna includes a ground plane, an active antenna element adjacent the ground plane, and passive antenna elements adjacent the ground plane. The passive antenna elements have different sizes for defining different resonant frequencies for increasing a bandwidth of the smart |
| 7202835 |
Dual band phased array employing spatial second harmonics |
April 10, 2007 |
| A directive antenna operable in multiple frequency bands includes an active antenna element and at least one passive antenna element parasitically coupled to the active antenna element. The passive antenna element(s) have length and spacing substantially optimized to operate at (i) a |
| 7180465 |
Compact smart antenna for wireless applications and associated methods |
February 20, 2007 |
| A smart antenna includes an active antenna element, a passive antenna element laterally adjacent the active antenna element, and an impedance element selectively connectable to the passive antenna element for antenna beam steering. A ground plane includes a center portion adjacent th |
| 7176844 |
Aperiodic array antenna |
February 13, 2007 |
| An antenna array that uses at least two passive antennas and one active antenna disposed above a ground plane, but electrically isolated from the ground plane, and a respective resonant strip positioned beneath each passive antenna. The passive antenna elements are positioned about the |
| 7009559 |
Method and apparatus for adapting antenna array using received predetermined signal |
March 7, 2006 |
| A mobile subscriber unit includes a smart antenna having antenna elements for generating a plurality of antenna beams, and adjustable weight control components connected to the antenna elements for selecting any one of the antenna beam. A transceiver is connected to the smart antenna. |
| 6933887 |
Method and apparatus for adapting antenna array using received predetermined signal |
August 23, 2005 |
| An antenna apparatus that can increase capacity in a wireless communication system is disclosed. The antenna operates in conjunction with a station and comprises a plurality of antenna elements, each coupled to a respective weight control component to provide a weight to the signal t |
| 6894653 |
Low cost multiple pattern antenna for use with multiple receiver systems |
May 17, 2005 |
| An antenna assembly includes at least two active or main radiating omni-directional antenna elements arranged with at least one beam control or passive antenna element used as a reflector. The beam control antenna element(s) may have multiple reactance elements that can electrically |
| 6888504 |
Aperiodic array antenna |
May 3, 2005 |
| An antenna array that uses at least two passive antennas and one active antenna disposed above a ground plane, but electrically isolated from the ground plane, and a respective resonant strip positioned beneath each passive antenna. The passive antenna elements are positioned about the |
| 6753826 |
Dual band phased array employing spatial second harmonics |
June 22, 2004 |
| A directive antenna operable in multiple frequency bands includes an active antenna element and at least one passive antenna element parasitically coupled to the active antenna element. The passive antenna element(s) have length and spacing substantially optimized to operate at (i) a fun |
| 6388621 |
Optically transparent phase array antenna |
May 14, 2002 |
| A phase array antenna of the present invention includes a dielectric layer formed of a material that is optically transparent. An electrically conductive and optically transparent ground plane layer is secured on one side of the dielectric layer. An array of optically transparent antenna |
| 6300894 |
Antenna having electrically controllable radar cross-section |
October 9, 2001 |
| An RF interface is configured as a laminate structure having a core layer of a ferromagnetic ceramic material, such as barium strontium titanate, whose permitivity is electrically controllable to modify the behavior of impinging electromagnetic energy, as one of minimally attenuated |
| 6292133 |
Array antenna with selectable scan angles |
September 18, 2001 |
| An array antenna includes a dielectric substrate layer having opposing sides. A ground plane conductor is positioned on one side of the dielectric substrate layer. A plurality of antenna elements, such as slots, are formed within the ground plane conductor. The antenna elements are a |
| 6211834 |
Multiband ring focus antenna employing shaped-geometry main reflector and diverse-geometry shape |
April 3, 2001 |
| A multiband, shaped ring focus antenna architecture employs only a single or common main reflector, that is shaped such that it can be shared by each of a pair of interchangeable, diversely shaped close proximity-coupled, subreflector-feed pairs designed for operation at respectively |
| 5819162 |
Electro-magnetic interference shield for a telephone handset |
October 6, 1998 |
| An electromagnetic interference (EMI) shield for a handheld cellular phone that is particularly useful for shielding a hearing aid against EMI from the phone's antenna. The device includes a base and a flap laminated with a metallic shielding. The base attaches to the receiver end of the |
| 5651049 |
RF connected message recording device and method for a telephone system |
July 22, 1997 |
| A system and method of remotely recording a telephone message at a selected recording device connected to a telephone receiver by an RF link may include a base station having an RF transmitter connected to a telephone receiver, and plural paging/recording devices, each with an RF receive |
| 5648999 |
Remote recording device and method |
July 15, 1997 |
| A system and method of remotely recording a telephone message at a selected recording device connected to a telephone receiver by an RF link may include a base station having an RF transmitter connected to a telephone receiver, and plural paging/recording devices, each with an RF receive |
| 5337234 |
Self-contained downhole gauge system |
August 9, 1994 |
| A self-contained downhole apparatus for being lowered into an oil or gas well to internally record samples of at least one environmental condition comprises three body sections linearly and releasably interconnected. One of the body sections is a selected one of a plurality of transducer |
| 5319965 |
Multiple channel pressure recorder |
June 14, 1994 |
| A self-contained multiple channel pressure recorder comprises a single, compact, portable housing containing two quartz pressure transducers and electrical circuits for sensing two pressures communicated into the housing to the pressure transducers, for sensing ambient temperature, and |
| 5194755 |
Airbag triggering system |
March 16, 1993 |
| A plurality of first accelerometers are positioned forward of the passenger compartment and interconnected between vehicular ground and an airbag ignitor. At least one second accelerometer is positioned with the passenger compartment and electrically connected in series between the a |
| 5175555 |
Combined radar altimeter, radiometer sensor employing multiport feed horn having blended sidewal |
December 29, 1992 |
| A remote sensing apparatus for conducting (spaceborne) measurements of ocean geophysical parameters integrates a radar altimeter subsystem with a radiometer subsystem through the use of a shared antenna feed horn that permits each subsystem to have the same viewing aperture, so that each |
| 5153832 |
Self-containing downhole gauge system |
October 6, 1992 |
| A self-contained memory gauge includes either semiconductor or magnetic core memory for retaining downhole information related to sampled parameters, such as borehole temperature and pressure. A microprocessor-based computer manages the power utilization by independently and selectab |
| 4990076 |
Pressure control apparatus and method |
February 5, 1991 |
| A pressure control apparatus suitable for controlling pressures in autoclaves permits a plurality of autoclaves to be selectably pressurized from a single pressurizing circuit. The apparatus can be externally controlled to more efficiently multiplex autoclaves to the pressurizing cir |
| 4971798 |
Hard confections containing hydrogenated isomaltulose and medicinally active ingredient |
November 20, 1990 |
| Disclosed is a hard confection containing Palatinit (hydrogenated isomaltulose) and a medicinally active ingredient. Such a formulation has been found to dissolve more slowly than similar formulations based on sugar rendering them suitable for dispensing the active ingredient over an |
| 4866607 |
Self-contained downhole gauge system |
September 12, 1989 |
| In an oil well instrumentation system, the downhole sensor system is controlled by a computer which is powered-on only during sampling movement. An independent circuit, continuously powered, detects significant sensor rate-of-change values whereby the computer-sampling equipment is p |
| 4794548 |
Data collection apparatus and train monitoring system |
December 27, 1988 |
| An apparatus for monitoring the operation of a railroad train includes two on-board units which collect and utilize data for ultimate transfer to a portable unit which can be carried onto and off of the railroad train. One of these on-board units operates under microcomputer control to c |
| 4735385 |
Apparatus and method for conserving fuel during dynamic braking of locomotives |
April 5, 1988 |
| A respective microcomputer-based dynamic braking proportioning unit is disposed on each locomotive of a group of locomotives of a train consist. Each unit is connected to the brake setup and brake control wires of a trainline communicating with all of the locomotives, and each unit is |
| 4709234 |
Power-conserving self-contained downhole gauge system |
November 24, 1987 |
| The power-conversing apparatus includes a plurality of independently energizable electrical circuits used in receiving electrical signals from a transducer which senses an environmental condition, in processing the electrical signals, and in storing information related to the detected |
| 4675649 |
Apparatus and method for interfacing a transducer |
June 23, 1987 |
| An analog-to-digital conversion technique utilizes an oscillator which provides a primary oscillating signal that drives a counter and that generates a derived signal having a frequency less than the primary signal. The derived signal is integrated for use in comparing against the th |
| 4665398 |
Method of sampling and recording information pertaining to a physical condition detected in a we |
May 12, 1987 |
| A physical condition in a well bore is sampled and information taken from the sample is recorded by a method of conserving electrical energy in performing such sampling and recording. The method sequentially energizes and de-energizes a plurality of different electrical circuits within t |
| 4663628 |
Method of sampling environmental conditions with a self-contained downhole gauge system |
May 5, 1987 |
| The method for controlling the rate at which a downhole logging tool samples and records a detected condition obtains three samples of the condition at three consecutive sample times and computes a prediction value for the n-th sample from the first three samples. The method compares |
| 4593365 |
Apparatus and method for monitoring a plurality of flow meters |
June 3, 1986 |
| A microprocessor controlled apparatus monitors a plurality of flow meters for computing and displaying the flow rates detected by each flow meter, the total volumes accumulated through each flow meter, the sum of the current flow rates for the flow meters, and the sum of the total volume |
| 4575488 |
Interference free transaminase assay |
March 11, 1986 |
| Compositions for pyridoxal-5'-phosphate (PLP) activated transaminase determinations are provided, in which interference due to PLP is avoided. Amino-functionalized polymers bind PLP which is not associated with the apotransaminase in the sample to be tested, thereby avoiding signal i |
| 4561057 |
Apparatus and method for monitoring motion of a railroad train |
December 24, 1985 |
| An apparatus for monitoring the motion of a railroad train includes an on-board unit which computes the speed, acceleration/deceleration, and distance traveled events of the train and stores such computed data for retention by a non-volatile memory after a power interruption or outage |
