Inventor
HENDERSON RICHARD S
US40 patents
⚠️ This page may combine multiple inventors who share the name “HENDERSON RICHARD S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PYROTEK INC
13 patentsUS9920992B2Mar 20, 2018
Molten metal scrap submergence apparatus
PYROTEK INC2 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
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
US11131309B2Sep 28, 2021
Molten metal pump
PYROTEK INC0 citations61
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
US10809005B2Oct 20, 2020
Advanced material for molten metal processing equipment
PYROTEK INC0 citations50
US12186801B2Jan 7, 2025
Mold pump
PYROTEK INC0 citations47
US10731922B2Aug 4, 2020
Molten metal scrap submergence apparatus
PYROTEK INC0 citations36
STANDARD OIL CO OHIO
11 patentsUS4923770AMay 8, 1990
Amorphous metal alloy compositions for reversible hydrogen storage and electrodes made therefrom
STANDARD OIL CO OHIO160 citations99
US4851296AJul 25, 1989
Process for the production of multi-metallic amorphous alloy coatings on a substrate and product
STANDARD OIL CO OHIO154 citations99
US4770701ASep 13, 1988
Metal-ceramic composites and method of making
STANDARD OIL CO OHIO184 citations99
US4859413AAug 22, 1989
Compositionally graded amorphous metal alloys and process for the synthesis of same
STANDARD OIL CO OHIO133 citations98
US4810314AMar 7, 1989
Enhanced corrosion resistant amorphous metal alloy coatings
STANDARD OIL CO OHIO175 citations98
US4701226AOct 20, 1987
Corrosion resistant amorphous chromium-metalloid alloy compositions
STANDARD OIL CO OHIO119 citations96
US4696703ASep 29, 1987
Corrosion resistant amorphous chromium alloy compositions
STANDARD OIL CO OHIO120 citations96
US4609442ASep 2, 1986
Electrolysis of halide-containing solutions with amorphous metal alloys
STANDARD OIL CO OHIO133 citations96
US4537624AAug 27, 1985
Amorphous metal alloy powders and synthesis of same by solid state decomposition reactions
STANDARD OIL CO OHIO123 citations96
US4537625AAug 27, 1985
Amorphous metal alloy powders and synthesis of same by solid state chemical reduction reactions
STANDARD OIL CO OHIO132 citations96
US4585617AApr 29, 1986
Amorphous metal alloy compositions and synthesis of same by solid state incorporation/reduction reactions
STANDARD OIL CO OHIO42 citations93
METAULLICS SYSTEMS CO LP
7 patentsUS6036745AMar 14, 2000
Molten metal charge well
METAULLICS SYSTEMS CO LP152 citations99
US6887425B2May 3, 2005
Shaft and post assemblies for molten metal apparatus
METAULLICS SYSTEMS CO LP117 citations98
US6451247B1Sep 17, 2002
Shaft and post assemblies for molten metal apparatus
METAULLICS SYSTEMS CO LP132 citations98
US6250881B1Jun 26, 2001
Molten metal shaft and impeller bearing assembly
METAULLICS SYSTEMS CO LP114 citations98
US5558505ASep 24, 1996
Molten metal pump support post and apparatus for removing it from a base
METAULLICS SYSTEMS CO LP145 citations98
US6231639B1May 15, 2001
Modular filter for molten metal
METAULLICS SYSTEMS CO LP119 citations94
US5741422AApr 21, 1998
Molten metal filter cartridge
METAULLICS SYSTEMS CO LP125 citations93