Inventor

GREENWALT RICHARD B

US18 patents

⚠️ This page may combine multiple inventors who share the name “GREENWALT RICHARD B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GREENWALT RICHARD B

BECHTEL GROUP INC

Method of providing fuel for an iron making process

Method of processing waste material containing non ferrous metal oxides

Method of making hot metals with totally recycled gas

Method of using rubber tires in an iron making process

Method of processing electric arc furnace dust and providing fuel for an iron making process

Method of disposing of environmentally undesirable material and providing fuel for an iron making process e.g. petroleum coke

Method of direct steel making from liquid iron

Method of providing fuel for an iron making process

Method of providing fuel for an iron making process

Low slag iron making process with injecting coolant

Very low slag iron making process

Producing liquid iron having a low sulfur content

Method of making iron from oily steel and iron ferrous waste

BECHTEL CORP

Magnetically enhanced gravity separator

Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags

Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags

BECHTEL CROUP INC

Shift conversion for the preparation of reducing gas

KAISER RAYMOND ENG

Direct reduction of ores and concentration of metallic values