| Patent Number |
Title Of Patent |
Date Issued |
| RE40128 |
Stabilization in a radar level gauge |
March 4, 2008 |
| A radar gauge adapted to sense fluid level in a tank and including a radar gauge circuit in which radar transmission and level sampling are controlled by a transmit frequency and a sample frequency respectively. A first frequency separation between first and second frequencies is con |
| RE30603 |
Two wire current transmitter responsive to a resistance sensor input signal |
May 5, 1981 |
| Circuitry including a resistance sensor is excited by an external power source. A reference voltage is established, the voltage developed across the sensor resistance is compared at an amplifier input with a reference voltage signal and the voltage across a feedback resistor, and the tot |
| RE30597 |
Two wire current transmitter responsive to a resistive temperature sensor input signal |
May 5, 1981 |
| Circuitry including a resistance sensor is excited by an external power source. A reference voltage is established, the voltage developed across the sensor resistance is compared at an amplifier input with a reference voltage signal and the voltage across a feedback resistor, and the tot |
| D528020 |
Process device |
September 12, 2006 |
|
| D479474 |
Process device |
September 9, 2003 |
|
| D472831 |
Single inlet base pressure instrument |
April 8, 2003 |
|
| D471829 |
Dual inlet base pressure instrument |
March 18, 2003 |
|
| D441672 |
Pressure transmitter with dual inlet base and economy housing |
May 8, 2001 |
|
| D439181 |
Pressure transmitter with dual inlet base and dual compartment housing |
March 20, 2001 |
|
| D439180 |
Pressure transmitter with single inlet base and single compartment housing |
March 20, 2001 |
|
| D439179 |
Pressure transmitter with single inlet base and dual compartment housing |
March 20, 2001 |
|
| D439178 |
Pressure transmitter with dual inlet base and single compartment housing |
March 20, 2001 |
|
| D439177 |
Pressure transmitter with single inlet base and economy housing |
March 20, 2001 |
|
| D415138 |
Window icon for a computer display |
October 12, 1999 |
|
| D401921 |
Computer display with a computer generated icon |
December 1, 1998 |
|
| D401232 |
Computer display with a computer generated icon |
November 17, 1998 |
|
| D400870 |
Computer display with a computer generated icon |
November 10, 1998 |
|
| D366218 |
Temperature transmitter housing |
January 16, 1996 |
|
| D358784 |
Flowmeter instrument |
May 30, 1995 |
|
| D358782 |
Housing for a multivariable transmitter |
May 30, 1995 |
|
| D350491 |
Large line size winged flowmeter design |
September 13, 1994 |
|
| D349862 |
Large line size flowmeter design |
August 23, 1994 |
|
| D349274 |
Clip for mounting electrical equipment on a rail |
August 2, 1994 |
|
| D346980 |
Pitot air data sensor |
May 17, 1994 |
|
| D345710 |
Aerodynamically shaped probe and strut |
April 5, 1994 |
|
| D345709 |
Aerodynamically shaped short probe |
April 5, 1994 |
|
| D345708 |
Aerodynamically shaped probe |
April 5, 1994 |
|
| D345109 |
Temperature transmitter housing |
March 15, 1994 |
|
| D343365 |
Small line size flowmeter |
January 18, 1994 |
|
| D343364 |
Small line size winged flowmeter |
January 18, 1994 |
|
| D342456 |
Decorative cap for a process transmitter |
December 21, 1993 |
|
| D318432 |
Pressure transmitter housing |
July 23, 1991 |
|
| D317269 |
Temperature transmitter housing |
June 4, 1991 |
|
| D317266 |
Pressure transmitter housing |
June 4, 1991 |
|
| D316975 |
Housing for a current to pressure transmitter |
May 21, 1991 |
|
| D297315 |
Compact differential pressure transmitter |
August 23, 1988 |
|
| D297314 |
Pressure transmitter housing |
August 23, 1988 |
|
| D296995 |
Pressure transmitter housing |
August 2, 1988 |
|
| D292401 |
Hand held digital communicator housing |
October 20, 1987 |
|
| D287827 |
Head for a differential pressure measuring and transmitting housing |
January 20, 1987 |
|
| D278316 |
Flowmeter flow tube |
April 9, 1985 |
|
| D278133 |
Flowmeter transmitter circuitry housing |
March 26, 1985 |
|
| D268173 |
Calibrator for two wire transmitters |
March 8, 1983 |
|
| 7619418 |
Magnetic flowmeter output verification |
November 17, 2009 |
| A magnetic flowmeter transmitter includes a flowtube and measurement circuitry which provides an output related to flow through the flowtube. Output circuitry, such as analog and pulse output circuitry, provides transmitter output(s) related to flow through the flowtube. Output verif |
| 7591184 |
Industrial pressure sensor having enhanced dielectric fill fluid |
September 22, 2009 |
| A capacitive pressure sensor for an industrial process transmitters comprises a housing, a sensing diaphragm, an electrode and a fill fluid. The housing includes an interior cavity and a channel extending from an exterior of the housing to the cavity. The sensing diaphragm is disposed |
| 7590511 |
Field device for digital process control loop diagnostics |
September 15, 2009 |
| A diagnostic field device for coupling to a two-wire process control loop of an industrial process control or monitoring system includes digital communication monitoring circuitry which is configured to couple to a two-wire process control loop. The digital communication monitoring c |
| 7579947 |
Industrial process sensor with sensor coating detection |
August 25, 2009 |
| An industrial process sensor having a sensor component exposed to process fluid detects when the sensor performance has been degraded by a sensor coating buildup from the process fluid. A baseline statistical metric, such as standard deviation of the process parameter sensed by the senso |
| 7567013 |
Vibration power generation |
July 28, 2009 |
| Vibration-based electrical power generation is provided. In one aspect, a vibration-based power generator is embodied within a machine dampener and includes an electromotive power generation module and a piezoelectric power generation module. A power storage device is operably coupled to |
| 7560907 |
Charging system for field devices |
July 14, 2009 |
| A charging circuit for field devices is disclosed. The circuit has at least three modes and automatically shifts between the modes depending on voltage of the generator. In a first mode, the charging circuit provides voltage regulation. In a second mode, the charging circuit couples the |
| 7550826 |
Field device incorporating circuit card assembly as environmental and EMI/RFI shield |
June 23, 2009 |
| A field hardened industrial device is described with a housing of the device having electrically conductive walls surrounding a cavity with an open end. An electronics assembly is adapted to fit within the cavity. The device includes a circuit card assembly, which is a multi-layered |
