Inventor

LEHMANN ROLF

51 patents

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

LEHMANN ROLF

ESCHER WYSS LTD

Heated controlled deflection roll

Temperature-controlled roll for a rolling mill

Hydrostatic supporting device

Controlled deflection roll

Deflection-controlled roll for the pressure treatment of materials in web form

Rolling mills having hydraulic forces exerted on the exterior roll surfaces

Machine for producing a corrugated sheet

Roller with a roller surface which is to be heated or cooled

Hydrostatic support arrangement

Roll for a rolling mill

Controlled deflection roll

Calender composed of controlled deflection rolls

Rolling mill

Pressure roll

Rolling mill with two press gaps

Deflection control device

Rolling mill

Support for continuously cast hot metal components

Treatment of a web of material

Apparatus for thermally treating a layer of material

Controlled deflection roll

Controlled deflection roll

Guiding device for continuously cast metal strands and the like

Controlled deflection roll

ESCHER WYSS AG

Method of, and apparatus for, the continuous casting of rapidly solidifying material

Calender for pressure and thermal treatment of material webs

Apparatus and method for producing plastic foils

Machine for continuous manufacture of chipboards, fibreboards or similar products

Rotary printing press

Controlled deflection roll

Controlled deflection roll

Impression cylinder of a rotogravure press

Hydrostatic support arrangement

Method and control apparatus for separating the rolls of a calender

Heat insulating protective shields for two-roll calender with heated rolls

Controlled deflection roll

Roll for a rolling mill

Rolling device having at least one controlled deflection roll

Printing cylinder of a rotary printing press and a method for use therewith

Rotary printing machine

ESCHER WYSS GMBH

Deflection controlled roll

Roll for web pressing or web guiding

Roll with adjustable deflection

Apparatus for the production of flakes from granular products

DOLMAR GMBH

Chainsaw chain for concrete

Chain saw with saw depth limitation

TRON INT INC

System for feeding bulk material

CONTINENTAL GUMMI WERKE AG

Deflection-controlled roll for the pressure treatment of materials in web form

K TRON TECH INC

Screw conveyor

LEHMANN ROLF

Device for metering bulk material