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US35 patents

Top patents by PatentIndex Score

US7227097B2Jun 5, 2007

Plasma generation and processing with multiple radiation sources

BTU INT37 citations96
US5611476AMar 18, 1997

Solder reflow convection furnace employing flux handling and gas densification systems

BTU INT101 citations93
US7309843B2Dec 18, 2007

Plasma-assisted joining

BTU INT14 citations92
US5795146AAug 18, 1998

Furnace chamber having eductor to enhance thermal processing

BTU INT24 citations91
US7485385B2Feb 3, 2009

Process for solid oxide fuel cell manufacture

BTU INT20 citations90
US5814789ASep 29, 1998

Forced convection furnance gas plenum

BTU INT33 citations89
US6576030B2Jun 10, 2003

Filtering apparatus

BTU INT25 citations88
US5347103ASep 13, 1994

Convection furnace using shimmed gas amplifier

BTU INT31 citations86
US5623829AApr 29, 1997

Vortex tube cooling system for solder reflow convection furnaces

BTU INT22 citations85
US7497922B2Mar 3, 2009

Plasma-assisted gas production

BTU INT16 citations84
US5785233AJul 28, 1998

Apparatus and method for solder reflow bottom cooling

BTU INT37 citations84
US7432470B2Oct 7, 2008

Surface cleaning and sterilization

BTU INT10 citations82
US6457971B2Oct 1, 2002

Continuous furnace having traveling gas barrier

BTU INT14 citations81
US7671309B2Mar 2, 2010

Microwave combustion system for internal combustion engines

BTU INT12 citations76
US6394794B2May 28, 2002

Modular furnace system

BTU INT17 citations76
US7465362B2Dec 16, 2008

Plasma-assisted nitrogen surface-treatment

BTU INT7 citations74
US5334014AAug 2, 1994

Walking beam furnace

BTU INT13 citations72
US5314330AMay 24, 1994

Walking hearth furnace

BTU INT14 citations72
US5695331ADec 9, 1997

Multiple width boat carrier for vertical ovens

BTU INT16 citations71
US5801825ASep 1, 1998

Solder reflow furnace having a boroscope viewing assembly

BTU INT13 citations70
US6808554B2Oct 26, 2004

Filtering apparatus

BTU INT5 citations69
US6729834B1May 4, 2004

Wafer manipulating and centering apparatus

BTU INT7 citations67
US6283748B1Sep 4, 2001

Continuous pusher furnace having traveling gas barrier

BTU INT8 citations65
US6270305B1Aug 7, 2001

High temperature conveyor furnace with low friction conveyor travel surface

BTU INT12 citations65
US7494904B2Feb 24, 2009

Plasma-assisted doping

BTU INT2 citations63
US7425692B2Sep 16, 2008

Thermal processing system having slot eductors

BTU INT4 citations60
US7196297B2Mar 27, 2007

Process and system for thermally uniform materials processing

BTU INT2 citations60
US7014673B2Mar 21, 2006

Filtering apparatus

BTU INT3 citations58
US5655646AAug 12, 1997

Support system for PCB

BTU INT7 citations58
US9102471B2Aug 11, 2015

High temperature conveyor belt

BTU INT3 citations54
US5769010AJun 23, 1998

Furnace including localized incineration of effluents

BTU INT1 citations51
US5752820AMay 19, 1998

Panel support mechanism

BTU INT1 citations51
US9093598B2Jul 28, 2015

Method of in-line diffusion for solar cells

BTU INT0 citations47
US6742978B1Jun 1, 2004

Wafer indexing device

BTU INT0 citations46
US9290325B2Mar 22, 2016

High temperature conveyor belt

BTU INT0 citations43