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FREUDENBERG CARL

Overview
  • Total Patents
    1,651
About

FREUDENBERG CARL has a total of 1,651 patent applications. Its first patent ever was published in 1933. It filed its patents most often in Brazil, France and United Kingdom. Its main competitors in its focus markets machines, textiles and paper and mechanical elements are FREUDENBERG CARL FA, KOELZER KLAUS KURT and POLYMER GROUP INC.

Patent filings per year

Chart showing FREUDENBERG CARLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Heckel Klaus 53
#2 Graab Gerhard 39
#3 Fahrbach Erich 30
#4 Hartmann Ludwig 28
#5 Eckel Hans-Gerd 26
#6 Groitzsch Dieter 26
#7 Groten Robert 25
#8 Hamaekers Arno 23
#9 Tecl Bohuslav 23
#10 Schaut Gerhard 22

Latest patents

Publication Filing date Title
EP1612461A1 Sector shaft pressure seal
CN1438440A Sealing ring
DE10129366A1 Nonwoven fabric dyed and / or printed with pigments, process for its preparation and textiles comprising same
DE10125843A1 Dyed and / or printed nonwoven
BR0005202A Sealing set
DE10048871A1 Static elastomeric joint for water pump, cam cover, wing nut, carburetor, fuel valve, hoses, etc., has compressible elastomeric element in cavity formed between two stops on support surface
KR20010006691A Switchable hydraulic damping bearing
PL334970A1 Sealing system
CZ286399A3 Sealing arrangement
GB0025338D0 Speed-adaptive vibration damper
AU9704498A Cleaning apparatus
CN1235880A Hydraulic support
CN1236074A Hydraulic support
CA2301149A1 Floor wiper
PL319993A1 Floor lining with a surface pattern in the form of mutually overlapping waves
BR9612642A Flexible open pore cleaning body
CN1202094A Cleaning unit
US6012847A Guide arrangement for hydraulic cylinders
BR9302109A Elastic support
DE4027835A1 CONDENSER FOR VAPOROUS SUBSTANCES