Assignee
ZIRCON CORP
US92 patents
Top patents by PatentIndex Score
US5640168AJun 17, 1997
Ultra wide-band radar antenna for concrete penetration
ZIRCON CORP254 citations99
US6259241B1Jul 10, 2001
Projected display for portable sensor indicating the location of a detected hidden object behind a surface
ZIRCON CORP115 citations98
US6023159AFeb 8, 2000
Stud sensor with dual sensitivity
ZIRCON CORP89 citations98
US5619128AApr 8, 1997
Stud sensor with over-stud miscalibration via circuit which stores an initial calibration density, compares that to a current test density and outputs result via indicator
ZIRCON CORP101 citations98
US6198271B1Mar 6, 2001
Electronic wall-stud sensor display
ZIRCON CORP118 citations97
US5917314AJun 29, 1999
Electronic wall-stud sensor with three capacitive elements
ZIRCON CORP98 citations97
USD455750SApr 16, 2002
Hand-held scanning tool
ZIRCON CORP49 citations96
US6249113B1Jun 19, 2001
Hand held sensor and display
ZIRCON CORP115 citations96
US5905455AMay 18, 1999
Dual transmitter visual display system
ZIRCON CORP80 citations96
US5900833AMay 4, 1999
Imaging radar suitable for material penetration
ZIRCON CORP141 citations96
US5854603ADec 29, 1998
Ultra-wideband swept range gate radar system with variable transmitter delay
ZIRCON CORP57 citations96
US5729143AMar 17, 1998
Metal detector with nulling of imbalance
ZIRCON CORP95 citations96
US5543799AAug 6, 1996
Swept range gate radar system for detection of nearby objects
ZIRCON CORP74 citations96
US5541605AJul 30, 1996
Swept range gate short range radar system
ZIRCON CORP55 citations96
US5352974AOct 4, 1994
Stud sensor with digital averager and dual sensitivity
ZIRCON CORP84 citations96
USD419546SJan 25, 2000
Hand held scanning tool
ZIRCON CORP49 citations95
US5313713AMay 24, 1994
Electronic level with display scale and audible tone scale
ZIRCON CORP70 citations94
US7212014B2May 1, 2007
Stud sensor with floating head
ZIRCON CORP27 citations93
USD455430SApr 9, 2002
Hand-held scanning tool
ZIRCON CORP35 citations93
US6157591ADec 5, 2000
Sonic range finder with laser pointer
ZIRCON CORP47 citations93
USD427166SJun 27, 2000
Grip portion of hand held scanning tool
ZIRCON CORP24 citations93
USD418763SJan 11, 2000
Laser alignment tool
ZIRCON CORP20 citations93
USD418434SJan 4, 2000
Base for a laser level
ZIRCON CORP18 citations93
USD418432SJan 4, 2000
Laser level
ZIRCON CORP30 citations93
US6989662B2Jan 24, 2006
Sensor auto-recalibration
ZIRCON CORP38 citations92
US6922063B2Jul 26, 2005
Apparatus and method for capacitive level sensor
ZIRCON CORP37 citations92
US5956260ASep 21, 1999
Electronic level displaying inclination having digital and analog displays
ZIRCON CORP49 citations92
US5896102AApr 20, 1999
Swept range gate radar system for detection of nearby objects
ZIRCON CORP29 citations92
US5773971AJun 30, 1998
Three electrode AC detection
ZIRCON CORP48 citations92
US5594669AJan 14, 1997
Electronic fence post level
ZIRCON CORP31 citations92
US7148703B2Dec 12, 2006
Auto-deep scan for capacitive sensing
ZIRCON CORP34 citations91
US7116091B2Oct 3, 2006
Ratiometric stud sensing
ZIRCON CORP45 citations91
US6829834B1Dec 14, 2004
Multi-angle self-leveling line generation
ZIRCON CORP33 citations91
US6037874AMar 14, 2000
Electronic level with laser inclination indicator
ZIRCON CORP70 citations91
USD419545SJan 25, 2000
Hand held scanning tool casing
ZIRCON CORP36 citations91
US5999346ADec 7, 1999
Laser adjustment mechanism
ZIRCON CORP22 citations91
US5592745AJan 14, 1997
Electronic level displaying inclination with regard to instrument length
ZIRCON CORP26 citations91
US5488779AFeb 6, 1996
Electronic level with stereo sound indication
ZIRCON CORP42 citations91
US5479715AJan 2, 1996
Electronic level displaying inclination using a multi-segment fan-like display
ZIRCON CORP28 citations91
US5252682AOct 12, 1993
Cationically initiated curable resin system
ZIRCON CORP43 citations91
US6100839AAug 8, 2000
Enhanced impulse radar system
ZIRCON CORP36 citations90
US5452522ASep 26, 1995
Calibrated bevel square with integrated electronic level and plumb
ZIRCON CORP31 citations90
US6933712B2Aug 23, 2005
Electrical circuit tracing and identifying apparatus and method
ZIRCON CORP31 citations87
USD860994SSep 24, 2019
Handheld scanner
ZIRCON CORP12 citations84
USD860995SSep 24, 2019
Handheld scanner
ZIRCON CORP9 citations84
USD726559SApr 14, 2015
Surface tool
ZIRCON CORP8 citations84
USD726042SApr 7, 2015
Surface tool
ZIRCON CORP11 citations84
USD724968SMar 24, 2015
Surface tool
ZIRCON CORP10 citations84
USD721289SJan 20, 2015
Surface tool
ZIRCON CORP8 citations84
USD708923SJul 15, 2014
Tool grip
ZIRCON CORP12 citations84
Showing the top 50 of 92 patents by PatentIndex Score.