Ronald A. Zweifel

Person

Naperville, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for locating and identifying labware radio-freq...
- Patent number 8,115,599
- Issue date Feb 14, 2012
- PerkinElmer LAS, Inc.
- Richard R. Harazin
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus to reject electrical interference in a capacit...
- Patent number 7,836,763
- Issue date Nov 23, 2010
- PerkinElmer LAS, Inc.
- Richard R. Harazin
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for sensing a liquid level
- Patent number 7,823,447
- Issue date Nov 2, 2010
- PerkinElmer LAS, Inc.
- Richard Raymond Harazin
- G01 - MEASURING TESTING
Information Patent Grant
Methods and systems for locating and identifying labware using radi...
- Patent number 7,411,508
- Issue date Aug 12, 2008
- PERKINEMER LAS, Inc.
- Richard R. Harazin
- G08 - SIGNALLING
Information Patent Grant
Method and apparatus to reject electrical interference in a capacit...
- Patent number 7,387,023
- Issue date Jun 17, 2008
- PerkinElmer LAS, Inc.
- Richard Raymond Harazin
- G01 - MEASURING TESTING
Information Patent Grant
Methods and systems for determining a position of a probe
- Patent number 7,353,688
- Issue date Apr 8, 2008
- PerkinElmer LAS, Inc.
- Richard Raymond Harazin
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus to reject electrical interference in a capacit...
- Patent number 7,191,647
- Issue date Mar 20, 2007
- PerkinElmer LAS, Inc.
- Richard R. Harazin
- G01 - MEASURING TESTING
Information Patent Grant
Capacitive sensing system and technique
- Patent number 5,365,783
- Issue date Nov 22, 1994
- Packard Instrument Company, Inc.
- Ronald A. Zweifel
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR SENSING A LIQUID LEVEL
- Publication number 20090071245
- Publication date Mar 19, 2009
- Richard Raymond Harazin
- G01 - MEASURING TESTING
Information Patent Application
METHODS AND SYSTEMS FOR LOCATING AND IDENTIFYING LABWARE RADIO-FREQ...
- Publication number 20090015430
- Publication date Jan 15, 2009
- PERKINELMER LAS INC.
- Richard R. Harazin
- G08 - SIGNALLING
Information Patent Application
METHOD AND APPARATUS TO REJECT ELECTRICAL INTERFERENCE IN A CAPACIT...
- Publication number 20090000374
- Publication date Jan 1, 2009
- Richard R. Harazin
- G01 - MEASURING TESTING
Information Patent Application
Method and apparatus to reject electrical interference in a capacit...
- Publication number 20070137315
- Publication date Jun 21, 2007
- Richard R. Harazin
- G01 - MEASURING TESTING
Information Patent Application
Methods and systems for locating and identifying labware using radi...
- Publication number 20070013541
- Publication date Jan 18, 2007
- PerkinElmer LAS, Inc.
- Richard R. Harazin
- G08 - SIGNALLING
Information Patent Application
Methods and systems for determining a position of a probe
- Publication number 20060096396
- Publication date May 11, 2006
- PerkinElmer LAS, Inc.
- Richard R. Harazin
- G01 - MEASURING TESTING
Information Patent Application
Method and apparatus to reject electrical interference in a capacit...
- Publication number 20050092080
- Publication date May 5, 2005
- PerkinElmer LAS, Inc.
- Richard R. Harazin
- G01 - MEASURING TESTING
Information Patent Application
Controlling microdrop dispensing apparatus
- Publication number 20040185569
- Publication date Sep 23, 2004
- Ronald A. Zweifel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Microdrop dispensing apparatus
- Publication number 20020106308
- Publication date Aug 8, 2002
- Ronald A. Zweifel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Ronald A. Zweifel

Person

Patents Grantslast 30 patents

Methods and systems for locating and identifying labware radio-freq...

Method and apparatus to reject electrical interference in a capacit...

Method and apparatus for sensing a liquid level

Methods and systems for locating and identifying labware using radi...

Method and apparatus to reject electrical interference in a capacit...

Methods and systems for determining a position of a probe

Method and apparatus to reject electrical interference in a capacit...

Capacitive sensing system and technique

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR SENSING A LIQUID LEVEL

METHODS AND SYSTEMS FOR LOCATING AND IDENTIFYING LABWARE RADIO-FREQ...

METHOD AND APPARATUS TO REJECT ELECTRICAL INTERFERENCE IN A CAPACIT...

Method and apparatus to reject electrical interference in a capacit...

Methods and systems for locating and identifying labware using radi...

Methods and systems for determining a position of a probe

Method and apparatus to reject electrical interference in a capacit...

Controlling microdrop dispensing apparatus

Microdrop dispensing apparatus