Inventor
YARWOOD JOHN C
US52 patents
⚠️ This page may combine multiple inventors who share the name “YARWOOD JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLIN CORP
41 patentsUS4289946ASep 15, 1981
Electromagnetic casting apparatus
OLIN CORP44 citations92
US4161206AJul 17, 1979
Electromagnetic casting apparatus and process
OLIN CORP53 citations92
US6432556B1Aug 13, 2002
Copper alloy with a golden visual appearance
OLIN CORP30 citations90
US4796687AJan 10, 1989
Liquid/solid interface monitoring during direct chill casting
OLIN CORP23 citations82
US4419177ADec 6, 1983
Process for electromagnetically casting or reforming strip materials
OLIN CORP20 citations82
US4265294AMay 5, 1981
Duflex impedance shield for shape control in electromagnetic casting
OLIN CORP22 citations81
US4522247AJun 11, 1985
Infrared imaging for electromagnetic casting
OLIN CORP10 citations74
US4515630AMay 7, 1985
Process of continuously treating an alloy melt
OLIN CORP12 citations74
US4495981AJan 29, 1985
Process and apparatus for synchronized electromagnetic casting of multiple strands
OLIN CORP10 citations74
US4473104ASep 25, 1984
Electromagnetic casting process and apparatus
OLIN CORP8 citations74
US4469165ASep 4, 1984
Electromagnetic edge control of thin strip material
OLIN CORP11 citations74
US4415017ANov 15, 1983
Control of liquid-solid interface in electromagnetic casting
OLIN CORP8 citations74
US4358416ANov 9, 1982
Apparatus and process for cooling and solidifying molten material being electromagnetically cast
OLIN CORP10 citations74
US4325777AApr 20, 1982
Method and apparatus for reforming an improved strip of material from a starter strip of material
OLIN CORP13 citations74
US4274470AJun 23, 1981
Bottom blocks for electromagnetic casting
OLIN CORP9 citations74
US4564390AJan 14, 1986
Decarburizing a metal or metal alloy melt
OLIN CORP13 citations73
US4458744AJul 10, 1984
Electromagnetic casting shape control by differential screening and inductor contouring
OLIN CORP11 citations73
US4388962AJun 21, 1983
Electromagnetic casting method and apparatus
OLIN CORP9 citations73
US4373571AFeb 15, 1983
Apparatus and process for electromagnetically shaping a molten material within a narrow containment zone
OLIN CORP9 citations73
US4321959AMar 30, 1982
Electromagnetic casting shape control by differential screening and inductor contouring
OLIN CORP7 citations73
US4213496AJul 22, 1980
Electromagnetic casting apparatus
OLIN CORP7 citations73
US4158379AJun 19, 1979
Electromagnetic casting method and apparatus
OLIN CORP13 citations73
US4215738AAug 5, 1980
Anti-parallel inductors for shape control in electromagnetic casting
OLIN CORP17 citations69
US4570696AFeb 18, 1986
Design of bottom blocks for electromagnetic casting
OLIN CORP4 citations63
US4530394AJul 23, 1985
Controlled water application for electromagnetic casting shape control
OLIN CORP5 citations63
US4516625AMay 14, 1985
Electromagnetic control system for casting thin strip
OLIN CORP4 citations63
US4495983AJan 29, 1985
Determination of liquid-solid interface and head in electromagnetic casting
OLIN CORP5 citations63
US4471832ASep 18, 1984
Apparatus and process for electromagnetically forming a material into a desired thin strip shape
OLIN CORP4 citations63
US4470447ASep 11, 1984
Head top surface measurement utilizing screen parameters in electromagnetic casting
OLIN CORP2 citations63
US4452297AJun 5, 1984
Process and apparatus for selecting the drive frequencies for individual electromagnetic containment inductors
OLIN CORP4 citations63
US4450890AMay 29, 1984
Process and apparatus for electromagnetic casting of multiple strands having individual head control
OLIN CORP2 citations63
US4446908AMay 8, 1984
Infrared imaging for electromagnetic casting
OLIN CORP5 citations63
US4446909AMay 8, 1984
Process and apparatus for electromagnetic casting of multiple strands having individual head control
OLIN CORP4 citations63
US4319625AMar 16, 1982
Electromagnetic casting process utilizing an active transformer-driven copper shield
OLIN CORP4 citations63
US4285387AAug 25, 1981
Transformer-driven shield for electromagnetic casting
OLIN CORP2 citations63
US4472195ASep 18, 1984
Process for decarburizing alloy melts
OLIN CORP4 citations62
US4236570ADec 2, 1980
Ingot shape control by dynamic head in electromagnetic casting
OLIN CORP5 citations62
US4674557AJun 23, 1987
Regulation of the thickness of electromagnetically cast thin strip
OLIN CORP0 citations52
US4606397AAug 19, 1986
Apparatus and process for electro-magnetically forming a material into a desired thin strip shape
OLIN CORP1 citations52
US4570699AFeb 18, 1986
Multi-turn coils of controlled pitch for electromagnetic casting
OLIN CORP1 citations52
US4518030AMay 21, 1985
Multi-turn coils of controlled pitch for electromagnetic casting
OLIN CORP1 citations52
ALUSUISSE
9 patentsUS4081371AMar 28, 1978
Filtering of molten metal
ALUSUISSE57 citations96
US4024056AMay 17, 1977
Filtering of molten metal
ALUSUISSE61 citations96
US4024212AMay 17, 1977
Ceramic foam and method of preparation
ALUSUISSE69 citations96
US3962081AJun 8, 1976
Ceramic foam filter
ALUSUISSE94 citations96
US4075303AFeb 21, 1978
Method of preparation of ceramic foam
ALUSUISSE37 citations92
US4154689AMay 15, 1979
Filtering and inline degassing of molten metal
ALUSUISSE21 citations82
US4092153AMay 30, 1978
Filtering and inline degassing of molten metal
ALUSUISSE22 citations82
US4052198AOct 4, 1977
Method for in-line degassing and filtration of molten metal
ALUSUISSE26 citations82
US4032124AJun 28, 1977
Apparatus and method for in-line degassing and filtration of molten metal
ALUSUISSE14 citations73
Showing the top 50 of 52 patents by PatentIndex Score.