Assignee
FREUDENBERG CARL
DE50 patents
Top patents by PatentIndex Score
US5167740ADec 1, 1992
Method of making a filter insert of nonwoven material in the form of a pleated pack
FREUDENBERG CARL133 citations96
US4304234ADec 8, 1981
Non-woven fabrics of polyolefin filament and processes of production thereof
FREUDENBERG CARL75 citations96
USD445227SJul 17, 2001
Dusting mop pad
FREUDENBERG CARL61 citations95
US5279878AJan 18, 1994
Flame barrier made of nonwoven fabric
FREUDENBERG CARL56 citations95
US5188337AFeb 23, 1993
Control valve with pressure equalization
FREUDENBERG CARL85 citations95
US5884735AMar 23, 1999
Speed-adaptive vibration dampener
FREUDENBERG CARL60 citations94
US5236204AAug 17, 1993
Bellows made of thermoplastic elastomer
FREUDENBERG CARL50 citations93
US6311368B1Nov 6, 2001
Handle for household utensils
FREUDENBERG CARL37 citations92
USD385978SNov 4, 1997
Flooring surface
FREUDENBERG CARL31 citations92
USD385974SNov 4, 1997
Flooring surface
FREUDENBERG CARL28 citations92
US5516123AMay 14, 1996
U-shaped sealing member for sealing a valve cover having an impact absorber
FREUDENBERG CARL22 citations92
US5466517ANov 14, 1995
Spundbonded fabrics comprising biodegradable polycaprolactone filaments and process for its manufacture
FREUDENBERG CARL61 citations92
US4997611AMar 5, 1991
Process for the production of nonwoven webs including a drawing step and a separate blowing step
FREUDENBERG CARL39 citations92
US4413032ANov 1, 1983
Non-woven fabric with wick action
FREUDENBERG CARL53 citations92
US6702681B1Mar 9, 2004
Torsionally flexible coupling
FREUDENBERG CARL39 citations90
US5645283AJul 8, 1997
Radial shaft seal having dust lip with notches
FREUDENBERG CARL24 citations90
US4553763ANov 19, 1985
Seal ring having an axis parallel intermediate ring
FREUDENBERG CARL36 citations90
US5695535ADec 9, 1997
Pocket filter
FREUDENBERG CARL21 citations89
US5236770AAug 17, 1993
Nonwoven laminate
FREUDENBERG CARL30 citations89
US6498496B1Dec 24, 2002
Device for detecting membrane leaks in a diaphragm pump
FREUDENBERG CARL24 citations87
US5316832AMay 31, 1994
Biodegradable sheet for culturing sewage denitrifiers
FREUDENBERG CARL23 citations86
US4347912ASep 7, 1982
Airborne-sound-absorbing wall or ceiling paneling
FREUDENBERG CARL80 citations86
USD394319SMay 12, 1998
Flooring surface
FREUDENBERG CARL13 citations82
US4305986ADec 15, 1981
Tufted carpeting
FREUDENBERG CARL23 citations82
USD451289SDec 4, 2001
Filter material
FREUDENBERG CARL14 citations76
USD399011SSep 29, 1998
Flooring surface
FREUDENBERG CARL10 citations74
USD394320SMay 12, 1998
Flooring surface
FREUDENBERG CARL5 citations74
USD385977SNov 4, 1997
Flooring surface
FREUDENBERG CARL13 citations74
USD385975SNov 4, 1997
Flooring surface
FREUDENBERG CARL8 citations74
US6352248B1Mar 5, 2002
Hydraulically damped bearing
FREUDENBERG CARL10 citations73
US5588547ADec 31, 1996
Covering developed for infusion bottle
FREUDENBERG CARL11 citations72
US6576173B1Jun 10, 2003
Method for manufacturing a porcelain body in a desired shape
FREUDENBERG CARL11 citations70
US6280880B1Aug 28, 2001
Method for surface treatment of fibrous polyphenylene sulfide or polysulfone
FREUDENBERG CARL10 citations70
US5704110AJan 6, 1998
Device for crimping a plastically deforming metal pole shoe around the end of a cable
FREUDENBERG CARL10 citations70
USD440772SApr 24, 2001
Filter material
FREUDENBERG CARL9 citations68
US6012847AJan 11, 2000
Guide arrangement for hydraulic cylinders
FREUDENBERG CARL15 citations68
US4205595AJun 3, 1980
Piston
FREUDENBERG CARL7 citations68
US4332633AJun 1, 1982
Method for producing shoulder pad material
FREUDENBERG CARL11 citations66
US5755444AMay 26, 1998
Lipped sealing ring having wax packed in helical grooves to facilitate testing upon installation
FREUDENBERG CARL13 citations65
US4616837AOct 14, 1986
Seal ring with tippably supported guide ring
FREUDENBERG CARL10 citations65
USD385976SNov 4, 1997
Flooring surface
FREUDENBERG CARL2 citations63
US5607285AMar 4, 1997
Pump drive apparatus
FREUDENBERG CARL4 citations63
US4603866AAug 5, 1986
Shaft and radially-sealing ring with cold flexed seal disk
FREUDENBERG CARL3 citations63
US4140839AFeb 20, 1979
Tubelet pocket
FREUDENBERG CARL7 citations63
US5682663ANov 4, 1997
Manufacture of covering for infusion bottle
FREUDENBERG CARL2 citations61
US6251321B1Jun 26, 2001
Process of making a homogeneous floor covering
FREUDENBERG CARL6 citations60
US4581286AApr 8, 1986
Artificial split suede leather and a process for producing same
FREUDENBERG CARL6 citations60
US6233775B1May 22, 2001
Floor mopping device
FREUDENBERG CARL5 citations52
USD385979SNov 4, 1997
Flooring surface
FREUDENBERG CARL1 citations52
US5158984AOct 27, 1992
Method of recovering polyvinyl chloride from solvent-containing waste pvc pastes
FREUDENBERG CARL0 citations46