David L. Knierim

Person

Wilsonville, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Resistive liquid metal level sensing in a magnetohydrodynamic (MHD)...
- Patent number 11,858,276
- Issue date Jan 2, 2024
- Additive Technologies, LLC
- Chu-heng Liu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Print substrate optical motion sensing and dot clock generation
- Patent number 11,260,678
- Issue date Mar 1, 2022
- Xerox Corporation
- David L. Knierim
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet print head with standard computer interface
- Patent number 10,796,209
- Issue date Oct 6, 2020
- Xerox Corporation
- David L. Knierim
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Impedance measurement of individual actuators of a piezoelectric pr...
- Patent number 10,712,376
- Issue date Jul 14, 2020
- Xerox Corporation
- David L. Knierim
- G01 - MEASURING TESTING
Information Patent Grant
Piezoelectric print head drive with energy recovery
- Patent number 10,507,650
- Issue date Dec 17, 2019
- Xerox Corporation
- David L. Knierim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Print head with integrated jet impedance measurement
- Patent number 10,500,846
- Issue date Dec 10, 2019
- Xerox Corporation
- David L. Knierim
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Print head shuttling motion with improved precision
- Patent number 10,486,447
- Issue date Nov 26, 2019
- Xerox Corporation
- David L. Knierim
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet pre-fire waveform control
- Patent number 10,360,483
- Issue date Jul 23, 2019
- Xerox Corporation
- David L. Knierim
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems and methods for heating and measuring temperature of print...
- Patent number 10,328,691
- Issue date Jun 25, 2019
- Xerox Corporation
- Curtis Douglass Keller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Print head having ink pressure sensor
- Patent number 10,252,524
- Issue date Apr 9, 2019
- Xerox Corporation
- Steven Ross Slotto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Systems and methods for heating and measuring temperature of print...
- Patent number 9,931,840
- Issue date Apr 3, 2018
- Xerox Corporation
- Curtis Douglass Keller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Tin-silver diffusion soldering for thin joints without flux
- Patent number 9,925,773
- Issue date Mar 27, 2018
- Xerox Corporation
- David L. Knierim
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Water-vapor assist for filling aqueous print heads
- Patent number 9,849,689
- Issue date Dec 26, 2017
- Xerox Corporation
- Reid W. Gunnell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fluid level sensor with combined capacitance and conductance
- Patent number 9,789,697
- Issue date Oct 17, 2017
- Xerox Corporation
- David L. Knierim
- G01 - MEASURING TESTING
Information Patent Grant
Method of sensing degradation of piezoelectric actuators
- Patent number 9,457,560
- Issue date Oct 4, 2016
- Xerox Corporation
- Steven E. Ready
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrostatic membrane diffusion bonding structure and process
- Patent number 9,102,148
- Issue date Aug 11, 2015
- Xerox Corporation
- Peter J. Nystrom
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System and method for per drop electrical signal waveform modulatio...
- Patent number 9,016,816
- Issue date Apr 28, 2015
- Xerox Corporation
- Takahiro Peter Terayama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Phase change ink reservoir for a phase change inkjet printer
- Patent number 8,864,293
- Issue date Oct 21, 2014
- Xerox Corporation
- David Paul Platt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System and method for analyzing images deposited on an image receiv...
- Patent number 8,721,031
- Issue date May 13, 2014
- Xerox Corporation
- Trevor J. Snyder
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Oleophobic ink jet orifice plate
- Patent number 8,615,881
- Issue date Dec 31, 2013
- Xerox Corporation
- David L. Knierim
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fluid level sensing system and method
- Patent number 8,579,396
- Issue date Nov 12, 2013
- Xerox Corporation
- Isaac S. Frazier
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System and method for measuring a supply of solid ink in a solid in...
- Patent number 8,550,609
- Issue date Oct 8, 2013
- Xerox Corporation
- David L. Knierim
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System and method for protecting a printer from an over-temperature...
- Patent number 8,449,066
- Issue date May 28, 2013
- Xerox Corporation
- Christian Carl Gadke
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fluid level sensing system and method
- Patent number 8,382,221
- Issue date Feb 26, 2013
- Xerox Corporation
- Isaac S. Frazier
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Body diode forward conduction prevention
- Patent number 8,356,869
- Issue date Jan 22, 2013
- Xerox Corporation
- David L. Knierim
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Capacitive drop mass measurement system
- Patent number 8,256,869
- Issue date Sep 4, 2012
- Xerox Corporation
- Christian Amoah-Kusi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Tilt mitigation methods to control reservoir ink level and printhea...
- Patent number 8,226,187
- Issue date Jul 24, 2012
- Xerox Corporation
- Trevor James Snyder
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Drive belt slip and belt wear detection
- Patent number 8,226,185
- Issue date Jul 24, 2012
- Xerox Corporation
- Michael Eugene Jones
- G01 - MEASURING TESTING
Information Patent Grant
Electrically grounded inkjet ejector and method for making an elect...
- Patent number 8,205,971
- Issue date Jun 26, 2012
- Xerox Corporation
- Tygh J. Newton
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Low-voltage to high-voltage level translation using capacitive coup...
- Patent number 8,149,017
- Issue date Apr 3, 2012
- Xerox Corporation
- David L. Knierim
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
PRINT HEAD ANGLE AND STITCH ALIGNMENT DURING FULL SPEED PRINTER OPE...
- Publication number 20240278552
- Publication date Aug 22, 2024
- Xerox Corporation
- DAVID L. KNIERIM
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
CURRENT MONITOR COMBINING A SHUNT RESISTOR WITH A ROGOWSKI COIL
- Publication number 20240036079
- Publication date Feb 1, 2024
- Tektronix, Inc.
- Daniel G. Knierim
- G01 - MEASURING TESTING
Information Patent Application
COMBINED SHUNT AND MULTI-SEGMENTED ROGOWSKI-COIL CURRENT SENSOR
- Publication number 20230417800
- Publication date Dec 28, 2023
- Tektronix, Inc.
- Josiah A. Bartlett
- G01 - MEASURING TESTING
Information Patent Application
RESISTIVE LIQUID METAL LEVEL SENSING IN A MAGNETOHYDRODYNAMIC (MHD)...
- Publication number 20220194088
- Publication date Jun 23, 2022
- Xerox Corporation
- Chu-heng Liu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINT SUBSTRATE OPTICAL MOTION SENSING AND DOT CLOCK GENERATION
- Publication number 20200406616
- Publication date Dec 31, 2020
- Xerox Corporation
- David L. Knierim
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK JET PRINT HEAD WITH STANDARD COMPUTER INTERFACE
- Publication number 20190392271
- Publication date Dec 26, 2019
- Xerox Corporation
- DAVID L. KNIERIM
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMPEDANCE MEASUREMENT OF INDIVIDUAL ACTUATORS OF A PIEZOELECTRIC PR...
- Publication number 20190302160
- Publication date Oct 3, 2019
- Xerox Corporation
- DAVID L. KNIERIM
- G01 - MEASURING TESTING
Information Patent Application
PRINT HEAD HAVING INK PRESSURE SENSOR
- Publication number 20190105897
- Publication date Apr 11, 2019
- Xerox Corporation
- Steven Ross Slotto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK JET PRE-FIRE WAVEFORM CONTROL
- Publication number 20180272704
- Publication date Sep 27, 2018
- Xerox Corporation
- DAVID L. KNIERIM
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TIN-SILVER DIFFUSION SOLDERING FOR THIN JOINTS WITHOUT FLUX
- Publication number 20180207933
- Publication date Jul 26, 2018
- Xerox Corporation
- David L. Knierim
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SYSTEMS AND METHODS FOR HEATING AND MEASURING TEMPERATURE OF PRINT...
- Publication number 20180170041
- Publication date Jun 21, 2018
- Xerox Corporation
- CURTIS DOUGLASS KELLER
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
TIN-SILVER DIFFUSION SOLDERING FOR THIN JOINTS WITHOUT FLUX
- Publication number 20170361615
- Publication date Dec 21, 2017
- Xerox Corporation
- David L. Knierim
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD OF SENSING DEGRADATION OF PIEZOELECTRIC ACTUATORS
- Publication number 20160082720
- Publication date Mar 24, 2016
- Xerox Corporation
- Steven E. Ready
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
ELECTROSTATIC MEMBRANE DIFFUSION BONDING STRUCTURE AND PROCESS
- Publication number 20150165769
- Publication date Jun 18, 2015
- Xerox Corporation
- Peter J. Nystrom
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SYSTEMS AND METHODS FOR HEATING AND MEASURING TEMPERATURE OF PRINT...
- Publication number 20150054878
- Publication date Feb 26, 2015
- Xerox Corporation
- Curtis Douglass Keller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INSULATING SUBSTRATE ELECTROSTATIC INK JET PRINT HEAD
- Publication number 20140292894
- Publication date Oct 2, 2014
- Xerox Corporation
- David L. Knierim
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Phase Change Ink Reservoir for a Phase Change Inkjet Printer
- Publication number 20140071205
- Publication date Mar 13, 2014
- Xerox Corporation
- David Paul Platt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
System and Method for Analyzing Images Deposited on an Image Receiv...
- Publication number 20140055519
- Publication date Feb 27, 2014
- Xerox Corporation
- Trevor J. Snyder
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
OLEOPHOBIC INK JET ORIFICE PLATE
- Publication number 20130298402
- Publication date Nov 14, 2013
- Xerox Corporation
- David L. KNIERIM
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Fluid Level Sensing System And Method
- Publication number 20130050313
- Publication date Feb 28, 2013
- Xerox Corporation
- Isaac S. Frazier
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
System And Method For Protecting A Printer From An Over-Temperatur...
- Publication number 20120133699
- Publication date May 31, 2012
- Xerox Corporation
- Christian Carl Gadke
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LOW-VOLTAGE TO HIGH-VOLTAGE LEVEL TRANSLATION USING CAPACITIVE COUP...
- Publication number 20110316586
- Publication date Dec 29, 2011
- Xerox Corporation
- DAVID L. KNIERIM
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BODY DIODE FORWARD CONDUCTION PREVENTION
- Publication number 20110316914
- Publication date Dec 29, 2011
- Xerox Corporation
- DAVID L. KNIERIM
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Tilt Mitigation Methods to Control Reservoir Ink Level and Printhea...
- Publication number 20110242157
- Publication date Oct 6, 2011
- Xerox Corporation
- Trevor James Snyder
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
ELECTRICALLY GROUNDED INKJET EJECTOR AND METHOD FOR MAKING AN ELECT...
- Publication number 20110175971
- Publication date Jul 21, 2011
- Xerox Corporation
- Tygh J. Newton
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Capacitive Drop Mass Measurement System
- Publication number 20110102487
- Publication date May 5, 2011
- Xerox Corporation
- Christian Amoah-Kusi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Segmented Ink Stick
- Publication number 20100277557
- Publication date Nov 4, 2010
- Xerox Corporation
- Richard G. Chambers
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Apparatus And Method For Detecting Ink In A Reservoir
- Publication number 20100192685
- Publication date Aug 5, 2010
- Xerox Corporation
- Mirza Sabanovic
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
System And Method For Protecting A Printer From An Over-Temperatur...
- Publication number 20100188456
- Publication date Jul 29, 2010
- Xerox Corporation
- Christian Carl Gadke
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink Conductivity Fault Tolerant Mode
- Publication number 20100079512
- Publication date Apr 1, 2010
- Xerox Corporation
- Ivan Andrew McCracken
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

David L. Knierim

Person

Patents Grantslast 30 patents

Resistive liquid metal level sensing in a magnetohydrodynamic (MHD)...

Print substrate optical motion sensing and dot clock generation

Ink jet print head with standard computer interface

Impedance measurement of individual actuators of a piezoelectric pr...

Piezoelectric print head drive with energy recovery

Print head with integrated jet impedance measurement

Print head shuttling motion with improved precision

Ink jet pre-fire waveform control

Systems and methods for heating and measuring temperature of print...

Print head having ink pressure sensor

Systems and methods for heating and measuring temperature of print...

Tin-silver diffusion soldering for thin joints without flux

Water-vapor assist for filling aqueous print heads

Fluid level sensor with combined capacitance and conductance

Method of sensing degradation of piezoelectric actuators

Electrostatic membrane diffusion bonding structure and process

System and method for per drop electrical signal waveform modulatio...

Phase change ink reservoir for a phase change inkjet printer

System and method for analyzing images deposited on an image receiv...

Oleophobic ink jet orifice plate

Fluid level sensing system and method

System and method for measuring a supply of solid ink in a solid in...

System and method for protecting a printer from an over-temperature...

Fluid level sensing system and method

Body diode forward conduction prevention

Capacitive drop mass measurement system

Tilt mitigation methods to control reservoir ink level and printhea...

Drive belt slip and belt wear detection

Electrically grounded inkjet ejector and method for making an elect...

Low-voltage to high-voltage level translation using capacitive coup...

Patents Applicationslast 30 patents

PRINT HEAD ANGLE AND STITCH ALIGNMENT DURING FULL SPEED PRINTER OPE...

CURRENT MONITOR COMBINING A SHUNT RESISTOR WITH A ROGOWSKI COIL

COMBINED SHUNT AND MULTI-SEGMENTED ROGOWSKI-COIL CURRENT SENSOR

RESISTIVE LIQUID METAL LEVEL SENSING IN A MAGNETOHYDRODYNAMIC (MHD)...

PRINT SUBSTRATE OPTICAL MOTION SENSING AND DOT CLOCK GENERATION

INK JET PRINT HEAD WITH STANDARD COMPUTER INTERFACE

IMPEDANCE MEASUREMENT OF INDIVIDUAL ACTUATORS OF A PIEZOELECTRIC PR...

PRINT HEAD HAVING INK PRESSURE SENSOR

INK JET PRE-FIRE WAVEFORM CONTROL

TIN-SILVER DIFFUSION SOLDERING FOR THIN JOINTS WITHOUT FLUX

SYSTEMS AND METHODS FOR HEATING AND MEASURING TEMPERATURE OF PRINT...

TIN-SILVER DIFFUSION SOLDERING FOR THIN JOINTS WITHOUT FLUX

METHOD OF SENSING DEGRADATION OF PIEZOELECTRIC ACTUATORS

ELECTROSTATIC MEMBRANE DIFFUSION BONDING STRUCTURE AND PROCESS

SYSTEMS AND METHODS FOR HEATING AND MEASURING TEMPERATURE OF PRINT...

INSULATING SUBSTRATE ELECTROSTATIC INK JET PRINT HEAD

Phase Change Ink Reservoir for a Phase Change Inkjet Printer

System and Method for Analyzing Images Deposited on an Image Receiv...

OLEOPHOBIC INK JET ORIFICE PLATE

Fluid Level Sensing System And Method

System And Method For Protecting A Printer From An Over-Temperatur...

LOW-VOLTAGE TO HIGH-VOLTAGE LEVEL TRANSLATION USING CAPACITIVE COUP...

BODY DIODE FORWARD CONDUCTION PREVENTION

Tilt Mitigation Methods to Control Reservoir Ink Level and Printhea...

ELECTRICALLY GROUNDED INKJET EJECTOR AND METHOD FOR MAKING AN ELECT...

Capacitive Drop Mass Measurement System

Segmented Ink Stick

Apparatus And Method For Detecting Ink In A Reservoir

System And Method For Protecting A Printer From An Over-Temperatur...

Ink Conductivity Fault Tolerant Mode