Inventor · disambiguated record

David Arthur Lehr

Also filed as: LEHR DAVID A · LEHR DAVID ARTHUR

4 granted patents·1 pending application·73 citations·filing 1993–2006

77Inventor score

Technology areasF27D H05B F27B

Files withUCAR CARBON TECH3 GRAFTECH INT HOLDINGS INC1 LEHR DAVID ARTHUR1

Top patents by PatentIndex Score

5 records

0173US5631919AApparatus for lengthwise graphitization (LWG) of carbon electrode bodiesUCAR CARBON TECH·Filed 1995·Granted May 20, 1997·19 cites·19 claims
0273US5561685AModular spray cooled side-wall for electric arc furnacesUCAR CARBON TECH·Filed 1995·Granted Oct 1, 1996·36 cites·3 claims
0363US7660337B2Lifting apparatus and method of lifting carbon based electrodesGRAFTECH INT HOLDINGS INC·Filed 2006·Granted Feb 9, 2010·5 cites·17 claims
0463US5330161ASpray cooled hood system for handling hot gases from a metallurgical vessel utilizing pneumatic processing of molten metalUCAR CARBON TECH·Filed 1993·Granted Jul 19, 1994·13 cites·4 claims
0542US2008084907A1Cushioned Lifting Apparatus and Method of Lifting Carbon Based ElectrodesLEHR DAVID ARTHUR·Filed 2006·Application pending·0 cites

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →