Learn more

HEIN LEHMANN TRENN FOERDER

Overview
  • Total Patents
    45
About

HEIN LEHMANN TRENN FOERDER has a total of 45 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets chemical engineering, machines and mechanical elements are SIZETEC INC, POWER GLIDES SCREENS LTD and ENVIRONMENTAL PROCEDURES INC.

Patent filings per year

Chart showing HEIN LEHMANN TRENN FOERDERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmidt Heinrich 5
#2 Klaes Horst 5
#3 Hoppe Kurt 5
#4 Gruebl Ernst 5
#5 Schmidt Gerhard 5
#6 Neukam Christian 5
#7 Lehmann Wolfgang 4
#8 Balfanz Rainer 4
#9 Krueger Horst 4
#10 Schmidt Ernst 3

Latest patents

Publication Filing date Title
EP2393614A1 Screening surface with sieving fins
DE102007020156A1 Retention strip for sieve panel of sieving machine, has retention side facing arriving goods and another side turned away from goods, and air channels emptying out into side of strip into air outlet openings
DE102007020155A1 Fixing system for flexible screening mats
DE102007015967A1 Detachable fastening device for grid-like lining of wall and floor, has locking pins or profiles exhibiting shoulder at rear side and facing lining, where shoulder is lockably gripped from back by spring element fastened to wall or floor
DE102007013177A1 Annealing basket for annealing metallic workpieces in an annealing furnace comprises supporting profiles extending in the transport direction, connected to a frame and inserted into a table construction
DE102005032480A1 Movable part e.g. bearing, oil lubrication monitoring device for use with e.g. sieving machine, has overflow pipe attached to upper end area of upstream pipe, and capacitive sensor arranged in upper end area for detecting presence of oil
DE102004062673A1 External concrete reinforcement for concrete pillar and/or column, has profiles arranged parallel to each other and lying along pillar and/or column, and wire wounded up and welded on profile externally in circular and helical manner
DE10322800A1 Light has profiles forming gaps in front of light source formed by continuously circulating helical wound profile wire body shape of the shade forms a hollow body that can be e.g. cylindrical, conical
DE10137886A1 Slider crank mechanism
DE10116425A1 Devices for deflecting, jamming and / or guiding screenings on a screening surface
DE10116424A1 Devices for rejecting, stowing and / or guiding screenings on a screen surface
DE10043831A1 Filter plate for filter mold has identically shaped sides, openings larger in top than bottom of plate, and insertion part.
DE10005702A1 screening machine
DE19949289A1 Continuous centrifuge
DE19834894A1 Screening machine
DE19729036A1 Screen plate with tensioning aid
DK48397A Filter plate
DE19512082A1 Screening machine
EP0679448A1 Tension-wave screening apparatus
DE4331107A1 Overflow strainer