Assignee
PYROTEK INC
US54 patents
Top patents by PatentIndex Score
US7157043B2Jan 2, 2007
Bonded particle filters
PYROTEK INC116 citations97
US6869271B2Mar 22, 2005
Molten metal pump system
PYROTEK INC108 citations96
US6869564B2Mar 22, 2005
Molten metal pump system
PYROTEK INC120 citations95
US6848497B2Feb 1, 2005
Casting apparatus
PYROTEK INC137 citations94
US5718416AFeb 17, 1998
Lid and containment vessel for refining molten metal
PYROTEK INC136 citations93
US6709234B2Mar 23, 2004
Impeller shaft assembly system
PYROTEK INC155 citations92
US6497559B1Dec 24, 2002
Molten metal submersible pump system
PYROTEK INC111 citations92
US6716147B1Apr 6, 2004
Insulated sleeved roll
PYROTEK INC78 citations88
US6679936B2Jan 20, 2004
Molten metal degassing apparatus
PYROTEK INC125 citations88
US5755847AMay 26, 1998
Insulator support assembly and pushbar mechanism for handling glass containers
PYROTEK INC99 citations88
US5425410AJun 20, 1995
Sand casting mold riser/sprue sleeve
PYROTEK INC116 citations88
US5383651AJan 24, 1995
Aluminum coil annealing tray support pad
PYROTEK INC84 citations87
US9863704B2Jan 9, 2018
Chip dryer with integrated exhaust gas treatment
PYROTEK INC15 citations84
US7165757B2Jan 23, 2007
Control pin
PYROTEK INC10 citations83
US9920992B2Mar 20, 2018
Molten metal scrap submergence apparatus
PYROTEK INC2 citations73
US7278464B2Oct 9, 2007
Control pin
PYROTEK INC8 citations73
US11187233B2Nov 30, 2021
Overflow vortex transfer system
PYROTEK INC1 citations72
US10415884B2Sep 17, 2019
Overflow molten metal transfer pump with gas and flux injection
PYROTEK INC2 citations67
US7278824B2Oct 9, 2007
Pump for molten materials with suspended solids
PYROTEK INC1 citations63
US11939993B2Mar 26, 2024
Overflow vortex transfer system
PYROTEK INC0 citations62
US11619448B2Apr 4, 2023
Scrap submergence device
PYROTEK INC0 citations62
US10843258B2Nov 24, 2020
Multi-chamber molten metal pump
PYROTEK INC1 citations62
US10322450B2Jun 18, 2019
Adjustable flow overflow vortex transfer system
PYROTEK INC1 citations62
US7811509B2Oct 12, 2010
Material submergence system
PYROTEK INC2 citations62
US7662335B2Feb 16, 2010
Metal scrap submergence apparatus
PYROTEK INC3 citations62
US11131309B2Sep 28, 2021
Molten metal pump
PYROTEK INC0 citations61
US6918741B2Jul 19, 2005
Molten metal pump impeller system
PYROTEK INC4 citations61
US12359668B2Jul 15, 2025
Mold pump engagement apparatus
PYROTEK INC0 citations60
US12168987B2Dec 17, 2024
Low pressure molten metal transfer pump
PYROTEK INC0 citations60
US12129871B2Oct 29, 2024
Molten metal pump
PYROTEK INC0 citations60
US12076785B2Sep 3, 2024
Dosing pump trigger system
PYROTEK INC0 citations60
US11795950B2Oct 24, 2023
Mold pump engagement apparatus
PYROTEK INC0 citations60
US7144217B2Dec 5, 2006
Molten metal pump particle passage system
PYROTEK INC4 citations60
US11674198B2Jun 13, 2023
Filter handling tool
PYROTEK INC0 citations57
US12370597B2Jul 29, 2025
Molten metal filtration box heating apparatus
PYROTEK INC0 citations56
US11193492B2Dec 7, 2021
Open exit molten metal gas injection pump
PYROTEK INC0 citations55
US12059643B2Aug 13, 2024
Electromagnetic priming of molten metal filters
PYROTEK INC0 citations53
US11874062B2Jan 16, 2024
Repositionable molten metal pump
PYROTEK INC1 citations52
US6977059B2Dec 20, 2005
Molten metal shaft coupling system
PYROTEK INC2 citations52
US12467118B2Nov 11, 2025
Molten lead scrap submergence apparatus
PYROTEK INC0 citations51
US7988763B2Aug 2, 2011
Use of a binary salt flux of NaCl and MgCl2 for the purification of aluminium or aluminium alloys, and method thereof
PYROTEK INC1 citations51
US7455809B2Nov 25, 2008
Material submergence system
PYROTEK INC0 citations51
US12523206B1Jan 13, 2026
Reciprocating molten metal pump
PYROTEK INC0 citations50
US12454738B2Oct 28, 2025
Degassing launder
PYROTEK INC0 citations50
US12311434B2May 27, 2025
Sensor controlled launder flow
PYROTEK INC0 citations50
US10809005B2Oct 20, 2020
Advanced material for molten metal processing equipment
PYROTEK INC0 citations50
US10718336B2Jul 21, 2020
Mold pump assembly
PYROTEK INC0 citations50
US12186801B2Jan 7, 2025
Mold pump
PYROTEK INC0 citations47
US9073119B2Jul 7, 2015
Receptacle for handling molten metal, casting assembly and manufacturing method
PYROTEK INC0 citations46
US10731922B2Aug 4, 2020
Molten metal scrap submergence apparatus
PYROTEK INC0 citations36
Showing the top 50 of 54 patents by PatentIndex Score.