Assignee
SPECTRONICS CORP
US31 patents
Top patents by PatentIndex Score
US6491408B1Dec 10, 2002
Pen-size LED inspection lamp for detection of fluorescent material
SPECTRONICS CORP82 citations97
US6953940B2Oct 11, 2005
Hand-held germicidal lamp with safety features
SPECTRONICS CORP69 citations96
USRE36951ENov 14, 2000
Method of introducing leak detection dye into an air conditioning or refrigeration system including solid or semi-solid fluorescent dyes
SPECTRONICS CORP79 citations96
US5650563AJul 22, 1997
Method of introducing leak detection dye into an air conditioning or refrigeration system including solid or semi-solid fluorescent dyes
SPECTRONICS CORP85 citations96
US5440919AAug 15, 1995
Method of introducing leak detection dye into an air conditioning or refrigeration system
SPECTRONICS CORP86 citations96
US6165384ADec 26, 2000
Full spectrum fluorescent dye composition for the optimization of leak detection processes
SPECTRONICS CORP96 citations95
US5905268AMay 18, 1999
Inspection lamp with thin-film dichroic filter
SPECTRONICS CORP103 citations95
US5788364AAug 4, 1998
Compact high-intensity UVA inspection lamp
SPECTRONICS CORP39 citations95
US5167140ADec 1, 1992
Apparatus and method for infusing a material into a closed loop system
SPECTRONICS CORP79 citations94
US6056162AMay 2, 2000
Self-contained service tool for adding fluorescent leak detection dye into systems operating with pressurized fluids
SPECTRONICS CORP60 citations93
US4938063AJul 3, 1990
Apparatus and method for infusing a material into a closed loop system
SPECTRONICS CORP63 citations93
US7344272B2Mar 18, 2008
Lamp
SPECTRONICS CORP21 citations92
US6854859B2Feb 15, 2005
Pen size LED inspection lamp for detecting fluorescent material
SPECTRONICS CORP28 citations92
US6767110B2Jul 27, 2004
Pen size LED inspection lamp kit for detecting fluorescent material
SPECTRONICS CORP29 citations92
US5997154ADec 7, 1999
Compact high-intensity UVA inspection lamp
SPECTRONICS CORP27 citations92
US5816692AOct 6, 1998
Compact high-intensity UVA inspection lamp
SPECTRONICS CORP28 citations92
US5548965AAug 27, 1996
Multi-cavity evaporator
SPECTRONICS CORP34 citations86
US6598412B1Jul 29, 2003
Interchangeable adapters for pipe freezer apparatus
SPECTRONICS CORP13 citations83
US10401253B2Sep 3, 2019
Fluorescent dye formulation and leak detection method
SPECTRONICS CORP6 citations75
US6573665B2Jun 3, 2003
Inspection lamp with interchangeable AC or DC power cords
SPECTRONICS CORP11 citations73
US12055463B2Aug 6, 2024
Meltable fluorescent dye for leak detection
SPECTRONICS CORP2 citations71
US10180371B2Jan 15, 2019
Ultrasonic detector with storable probes
SPECTRONICS CORP5 citations71
US4039841AAug 2, 1977
X-ray grid adaptor
SPECTRONICS CORP8 citations71
US7552623B2Jun 30, 2009
Enhanced leak detection dye carrier
SPECTRONICS CORP5 citations61
US6408638B1Jun 25, 2002
Pipe freezer with quick connect evaporator heads
SPECTRONICS CORP5 citations61
US11467054B2Oct 11, 2022
Fluorescent dye formulation and leak detection method
SPECTRONICS CORP0 citations54
US9845390B1Dec 19, 2017
Process for producing naphthalimide diester fluorescent dyes and compositions thereof
SPECTRONICS CORP2 citations54
US7251984B2Aug 7, 2007
Refrigerant with leak detection dye concentrate
SPECTRONICS CORP1 citations51
US11519810B2Dec 6, 2022
System for delivering leak detection dye with a reclaim/recharge unit
SPECTRONICS CORP0 citations50
US11732937B2Aug 22, 2023
Multi-profile adapter assembly
SPECTRONICS CORP0 citations40
US9574694B2Feb 21, 2017
Pipe freezer system
SPECTRONICS CORP0 citations40