DEFELSKO CORPORATION

Organization

ALEXANDRIA, VA, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for characterizing a replica tape
- Patent number 9,207,174
- Issue date Dec 8, 2015
- DeFelsko Corporation
- Leon Vandervalk
- G01 - MEASURING TESTING
Information Patent Grant
Ultrasonic measuring gauge
- Patent number 9,188,672
- Issue date Nov 17, 2015
- DeFelsko Corporation
- Leon Vandervalk
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for characterizing a replica tape
- Patent number 8,994,933
- Issue date Mar 31, 2015
- DeFelsko Corporation
- Leon Vandervalk
- G01 - MEASURING TESTING
Information Patent Grant
Wall fastener with knife blade and a string
- Patent number 8,475,100
- Issue date Jul 2, 2013
- Defelsko Corporation
- Frank Koch
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Coating thickness gauge
- Patent number RE41342
- Issue date May 18, 2010
- DeFelsko Corporation
- Frank J. Koch
- 702 - Data processing: measuring, calibrating, or testing
Information Patent Grant
High resolution ultrasonic thickness gauge
- Patent number 6,282,962
- Issue date Sep 4, 2001
- DeFelsko Corporation
- Frank J. Koch
- G01 - MEASURING TESTING
Information Patent Grant
High resolution ultrasonic thickness gauge
- Patent number 6,250,160
- Issue date Jun 26, 2001
- DeFelsko Corporation
- Frank J. Koch
- G01 - MEASURING TESTING
Information Patent Grant
Delay line for an ultrasonic probe and method of using same
- Patent number 6,122,968
- Issue date Sep 26, 2000
- DeFelsko Corporation
- Leon C. Vandervalk
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Adhesion tester
- Patent number 6,050,140
- Issue date Apr 18, 2000
- DeFelsko Corporation
- Frank J. Koch
- G01 - MEASURING TESTING
Information Patent Grant
Powder coating thickness gauge
- Patent number 6,026,586
- Issue date Feb 22, 2000
- Defelsko Corporation
- Charles Edward Waddles
- G01 - MEASURING TESTING
Information Patent Grant
Delay line for an ultrasonic probe and method of using same
- Patent number 5,979,241
- Issue date Nov 9, 1999
- DeFelsko Corporation
- Leon C. Vandervalk
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Coating thickness gauge
- Patent number 5,930,744
- Issue date Jul 27, 1999
- DeFelsko Corporation
- Frank J. Koch
- G01 - MEASURING TESTING
Information Patent Grant
Delay line for an ultrasonic probe and method of using same
- Patent number 5,777,230
- Issue date Jul 7, 1998
- DeFelsko Corporation
- Leon C. Vandervalk
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Coating thickness gauge
- Patent number 5,751,608
- Issue date May 12, 1998
- DeFelsko Corporation
- Frank J. Koch
- G01 - MEASURING TESTING
Information Patent Grant
High resolution ultrasonic coating thickness gauge
- Patent number 5,723,791
- Issue date Mar 3, 1998
- DeFelsko Corporation
- Frank J. Koch
- G01 - MEASURING TESTING
Information Patent Grant
Combination coating thickness gauge using a magnetic flux density s...
- Patent number RE35703
- Issue date Dec 30, 1997
- DeFelsko Corporation
- Frank J. Koch
- 324 - Electricity: measuring and testing
Information Patent Grant
Gauge with reversible display screen
- Patent number 5,686,831
- Issue date Nov 11, 1997
- DeFelsko Corporation
- Leon C. Vandervalk
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Nondestructive anodic capacity gauge
- Patent number 5,623,427
- Issue date Apr 22, 1997
- DeFelsko Corporation
- Leon Vandervalk
- G01 - MEASURING TESTING
Information Patent Grant
Stopper for a metered dispensing unit
- Patent number 5,397,027
- Issue date Mar 14, 1995
- DeFelsko Corporation
- Frank J. Koch
- G01 - MEASURING TESTING
Information Patent Grant
Coating thickness measurement gauge
- Patent number 5,293,132
- Issue date Mar 8, 1994
- DeFelsko Corporation
- Frank J. Koch
- G01 - MEASURING TESTING
Information Patent Grant
Coating thickness measurement gauge
- Patent number 5,241,280
- Issue date Aug 31, 1993
- DeFelsko Corporation
- Rashid K. Aidun
- G01 - MEASURING TESTING
Information Patent Grant
Coating thickness measurement gauge
- Patent number D331201
- Issue date Nov 24, 1992
- DeFelsko Corporation
- Frank J. Koch
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Gauge for measuring the thickness of a coating on a substrate
- Patent number 5,094,009
- Issue date Mar 10, 1992
- DeFelsko Corporation
- Frank J. Koch
- G01 - MEASURING TESTING
Information Patent Grant
Coin acceptor for vending machine
- Patent number 4,741,426
- Issue date May 3, 1988
- DeFelsko Corporation
- Frank J. Koch
- G07 - CHECKING-DEVICES
Information Patent Grant
Coin acceptor for vending machine
- Patent number 4,705,153
- Issue date Nov 10, 1987
- DeFelsko Corporation
- Frank J. Koch
- G07 - CHECKING-DEVICES
Information Patent Grant
Method and apparatus for magnetically measuring a coating with a pl...
- Patent number 4,599,562
- Issue date Jul 8, 1986
- DeFelsko Corporation
- Frank Koch
- G01 - MEASURING TESTING
Information Patent Grant
Positest thickness gage
- Patent number D273465
- Issue date Apr 17, 1984
- DeFelsko Corporation
- Frank Koch
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Magnetic coating thickness comparator having parallel magnetic rods...
- Patent number 4,433,290
- Issue date Feb 21, 1984
- DeFelsko Corporation
- Frank Koch
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR TESTING SURFACES FOR CONTAMINANTS
- Publication number 20170261410
- Publication date Sep 14, 2017
- DEFELSKO CORPORATION
- Leon VANDERVALK
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHOD FOR CHARACTERIZING A REPLICA TAPE
- Publication number 20150233826
- Publication date Aug 20, 2015
- DEFELSKO CORPORATION
- Leon VANDERVALK
- G01 - MEASURING TESTING
Information Patent Application
PROBE COMMUNICATIONS MODULE AND A COMPUTING DEVICE
- Publication number 20140278257
- Publication date Sep 18, 2014
- DEFELSKO CORPORATION
- Leon Vandervalk
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHOD FOR CHARACTERIZING A REPLICA TAPE
- Publication number 20140192346
- Publication date Jul 10, 2014
- DEFELSKO CORPORATION
- Leon VANDERVALK
- G01 - MEASURING TESTING
Information Patent Application
ULTRASONIC MEASURING GAUGE
- Publication number 20130272094
- Publication date Oct 17, 2013
- DEFELSKO CORPORATION
- Leon Vandervalk
- G01 - MEASURING TESTING
Information Patent Application
WALL FASTENER WITH KNIFE BLADE AND A STRING
- Publication number 20130008016
- Publication date Jan 10, 2013
- DEFELSKO CORPORATION
- Frank Koch
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Trademarklast 30 trademarks

Information Trademark
85809349 - XTREME
- Serial number 85809349
- Registration number 4379829
- Filing date Dec 21, 2012
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75574874
- Serial number 75574874
- Filing date Oct 22, 1998
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75575024
- Serial number 75575024
- Filing date Oct 22, 1998
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75412579 - POWDER CHECKER
- Serial number 75412579
- Registration number 2253015
- Filing date Dec 30, 1997
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75160889 - POSIPROBE
- Serial number 75160889
- Registration number 2281904
- Filing date Sep 4, 1996
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74607064 - POSISOFT
- Serial number 74607064
- Registration number 1990454
- Filing date Dec 5, 1994
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74276923
- Serial number 74276923
- Registration number 1783710
- Filing date May 19, 1992
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74264128 - DEFELSKO
- Serial number 74264128
- Registration number 1786531
- Filing date Apr 9, 1992
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74156347
- Serial number 74156347
- Filing date Apr 12, 1991
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74131933 - POSIPRINTER
- Serial number 74131933
- Registration number 1704167
- Filing date Jan 22, 1991
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74037040 - POSIPEN
- Serial number 74037040
- Registration number 1656685
- Filing date Mar 12, 1990
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73575473 - SPECTEK
- Serial number 73575473
- Registration number 1403869
- Filing date Dec 30, 1985
- DEFELSKO CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73290329 - POSITEST
- Serial number 73290329
- Registration number 1325476
- Filing date Dec 18, 1980
- De Felsko Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

DEFELSKO CORPORATION

Organization

Patents Grantslast 30 patents

Apparatus and method for characterizing a replica tape

Ultrasonic measuring gauge

Apparatus and method for characterizing a replica tape

Wall fastener with knife blade and a string

Coating thickness gauge

High resolution ultrasonic thickness gauge

High resolution ultrasonic thickness gauge

Delay line for an ultrasonic probe and method of using same

Adhesion tester

Powder coating thickness gauge

Delay line for an ultrasonic probe and method of using same

Coating thickness gauge

Delay line for an ultrasonic probe and method of using same

Coating thickness gauge

High resolution ultrasonic coating thickness gauge

Combination coating thickness gauge using a magnetic flux density s...

Gauge with reversible display screen

Nondestructive anodic capacity gauge

Stopper for a metered dispensing unit

Coating thickness measurement gauge

Coating thickness measurement gauge

Coating thickness measurement gauge

Gauge for measuring the thickness of a coating on a substrate

Coin acceptor for vending machine

Coin acceptor for vending machine

Method and apparatus for magnetically measuring a coating with a pl...

Positest thickness gage

Magnetic coating thickness comparator having parallel magnetic rods...

Patents Applicationslast 30 patents

METHOD AND SYSTEM FOR TESTING SURFACES FOR CONTAMINANTS

APPARATUS AND METHOD FOR CHARACTERIZING A REPLICA TAPE

PROBE COMMUNICATIONS MODULE AND A COMPUTING DEVICE

APPARATUS AND METHOD FOR CHARACTERIZING A REPLICA TAPE

ULTRASONIC MEASURING GAUGE

WALL FASTENER WITH KNIFE BLADE AND A STRING

Trademarklast 30 trademarks

85809349 - XTREME

75574874

75575024

75412579 - POWDER CHECKER

75160889 - POSIPROBE

74607064 - POSISOFT

74276923

74264128 - DEFELSKO

74156347

74131933 - POSIPRINTER

74037040 - POSIPEN

73575473 - SPECTEK

73290329 - POSITEST