Steven Perry Parfitt

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Johnson City, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Fail-safe counter evaluator to insure proper counting by a counter
- Patent number 11,824,535
- Issue date Nov 21, 2023
- Siemens Aktiengesellschaft
- Steven Parfitt
- G01 - MEASURING TESTING
Information Patent Grant
Devices, systems, and methods regarding programmable logic controll...
- Patent number 8,352,651
- Issue date Jan 8, 2013
- Siemens Aktiengesellschaft
- Steven Perry Parfitt
- G05 - CONTROLLING REGULATING
Information Patent Grant
Systems and/or devices for providing an isolated analog output or a...
- Patent number 7,786,919
- Issue date Aug 31, 2010
- Siemens Industry, Inc.
- Steven Perry Parfitt
- G05 - CONTROLLING REGULATING
Information Patent Grant
Devices, systems, and methods for reducing signals
- Patent number 7,646,230
- Issue date Jan 12, 2010
- Siemens Industry, Inc.
- Steven Perry Parfitt
- G05 - CONTROLLING REGULATING
Information Patent Grant
Analog to digital converter threshold detection circuit
- Patent number 6,667,705
- Issue date Dec 23, 2003
- Siemens Energy & Automation
- Steven Perry Parfitt
- G05 - CONTROLLING REGULATING
Information Patent Grant
Analog to digital converter circuit
- Patent number 4,618,848
- Issue date Oct 21, 1986
- Texas Instruments Incorporated
- Steven P. Parfitt
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
FUNCTIONAL SAFETY HIGH-SPEED COUNTER MODULE INCLUDING DIAGNOSTICS C...
- Publication number 20240303154
- Publication date Sep 12, 2024
- Siemens Aktiengesellschaft
- Jeffrey Howe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FAIL-SAFE COUNTER EVALUATOR TO INSURE PROPER COUNTING BY A COUNTER
- Publication number 20210258012
- Publication date Aug 19, 2021
- Siemens Industry, Inc.
- Steven Parfitt
- G01 - MEASURING TESTING
Information Patent Application
Devices, Systems, and Methods for Reducing Signals
- Publication number 20090082882
- Publication date Mar 26, 2009
- SIEMENS ENERGY & AUTOMATION, INC.
- Steven Perry Parfitt
- G05 - CONTROLLING REGULATING
Information Patent Application
Systems and/or Devices for Providing an Isolated Analog Output or A...
- Publication number 20090079612
- Publication date Mar 26, 2009
- SIEMENS ENERGY & AUTOMATION, INC.
- Steven Perry Parfitt
- G05 - CONTROLLING REGULATING
Information Patent Application
Devices, Systems, and Methods Regarding Programmable Logic Controll...
- Publication number 20080313486
- Publication date Dec 18, 2008
- Steven Perry Parfitt
- G05 - CONTROLLING REGULATING
Information Patent Application
Analog to digital converter threshold detection circuit
- Publication number 20030184462
- Publication date Oct 2, 2003
- Steven Perry Parfitt
- G05 - CONTROLLING REGULATING