Inventor

LAHNER III WILLIAM F

AT4 patents

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

SPROUT BAUER INC ANDRITZ

2 patents

US5335865AAug 9, 1994

Two-stage variable intensity refiner

SPROUT BAUER INC ANDRITZ53 citations86

US5383608AJan 24, 1995

Twin conical refiner with dual ribbon feeders

SPROUT BAUER INC ANDRITZ10 citations68

KOPPERS CO INC

1 patent

US4395047AJul 26, 1983

Shaft seal with seal impeller for materials processing machinery

KOPPERS CO INC9 citations69

SPROUT BAUER INC

1 patent

US5076892ADec 31, 1991

Apparatus for pressurized refining of lignocellulose material

SPROUT BAUER INC9 citations65