Assignee
FREUDENBERG CARL
DE·50 granted patents·1 pending application·1,307 citations·filing 1978–2006
Top patents by PatentIndex Score
51 records- 0197US4304234ANon-woven fabrics of polyolefin filament and processes of production thereofFREUDENBERG CARL·Filed 1980·Granted Dec 8, 1981·75 cites·14 claims
- 0296USD445227SDusting mop padFREUDENBERG CARL·Filed 1999·Granted Jul 17, 2001·61 cites·1 claims
- 0394US4413032ANon-woven fabric with wick actionFREUDENBERG CARL·Filed 1981·Granted Nov 1, 1983·53 cites·5 claims
- 0493US5167740AMethod of making a filter insert of nonwoven material in the form of a pleated packFREUDENBERG CARL·Filed 1991·Granted Dec 1, 1992·133 cites·8 claims
- 0589US6702681B1Torsionally flexible couplingFREUDENBERG CARL·Filed 2002·Granted Mar 9, 2004·39 cites·28 claims
- 0689US5188337AControl valve with pressure equalizationFREUDENBERG CARL·Filed 1991·Granted Feb 23, 1993·85 cites·13 claims
- 0787US5884735ASpeed-adaptive vibration dampenerFREUDENBERG CARL·Filed 1997·Granted Mar 23, 1999·60 cites·10 claims
- 0886USD385978SFlooring surfaceFREUDENBERG CARL·Filed 1996·Granted Nov 4, 1997·31 cites·1 claims
- 0986US5466517ASpundbonded fabrics comprising biodegradable polycaprolactone filaments and process for its manufactureFREUDENBERG CARL·Filed 1992·Granted Nov 14, 1995·61 cites·5 claims
- 1084USD385974SFlooring surfaceFREUDENBERG CARL·Filed 1996·Granted Nov 4, 1997·28 cites·1 claims
- 1183US4553763ASeal ring having an axis parallel intermediate ringFREUDENBERG CARL·Filed 1984·Granted Nov 19, 1985·36 cites·3 claims
- 1283US4347912AAirborne-sound-absorbing wall or ceiling panelingFREUDENBERG CARL·Filed 1980·Granted Sep 7, 1982·80 cites·11 claims
- 1382US5236204ABellows made of thermoplastic elastomerFREUDENBERG CARL·Filed 1991·Granted Aug 17, 1993·50 cites·3 claims
- 1482US4305986ATufted carpetingFREUDENBERG CARL·Filed 1980·Granted Dec 15, 1981·23 cites·8 claims
- 1576US6498496B1Device for detecting membrane leaks in a diaphragm pumpFREUDENBERG CARL·Filed 2000·Granted Dec 24, 2002·24 cites·20 claims
- 1676US6311368B1Handle for household utensilsFREUDENBERG CARL·Filed 1997·Granted Nov 6, 2001·37 cites·14 claims
- 1776US5279878AFlame barrier made of nonwoven fabricFREUDENBERG CARL·Filed 1991·Granted Jan 18, 1994·56 cites·22 claims
- 1875US4997611AProcess for the production of nonwoven webs including a drawing step and a separate blowing stepFREUDENBERG CARL·Filed 1988·Granted Mar 5, 1991·39 cites·10 claims
- 1971USD394319SFlooring surfaceFREUDENBERG CARL·Filed 1996·Granted May 12, 1998·13 cites·1 claims
- 2067US6576173B1Method for manufacturing a porcelain body in a desired shapeFREUDENBERG CARL·Filed 2000·Granted Jun 10, 2003·11 cites·19 claims
- 2166US6280880B1Method for surface treatment of fibrous polyphenylene sulfide or polysulfoneFREUDENBERG CARL·Filed 2000·Granted Aug 28, 2001·10 cites·5 claims
- 2265USD399011SFlooring surfaceFREUDENBERG CARL·Filed 1996·Granted Sep 29, 1998·10 cites·1 claims
- 2365USD385977SFlooring surfaceFREUDENBERG CARL·Filed 1996·Granted Nov 4, 1997·13 cites·1 claims
- 2464USD451289SFilter materialFREUDENBERG CARL·Filed 2001·Granted Dec 4, 2001·14 cites·1 claims
- 2563US6352248B1Hydraulically damped bearingFREUDENBERG CARL·Filed 2000·Granted Mar 5, 2002·10 cites·22 claims
- 2661US5645283ARadial shaft seal having dust lip with notchesFREUDENBERG CARL·Filed 1996·Granted Jul 8, 1997·24 cites·8 claims
- 2760US5516123AU-shaped sealing member for sealing a valve cover having an impact absorberFREUDENBERG CARL·Filed 1995·Granted May 14, 1996·22 cites·14 claims
- 2859US5236770ANonwoven laminateFREUDENBERG CARL·Filed 1992·Granted Aug 17, 1993·30 cites·6 claims
- 2958US5316832ABiodegradable sheet for culturing sewage denitrifiersFREUDENBERG CARL·Filed 1993·Granted May 31, 1994·23 cites·5 claims
- 3054USD385975SFlooring surfaceFREUDENBERG CARL·Filed 1996·Granted Nov 4, 1997·8 cites·1 claims
- 3153USD440772SFilter materialFREUDENBERG CARL·Filed 2000·Granted Apr 24, 2001·9 cites·1 claims
- 3253US5695535APocket filterFREUDENBERG CARL·Filed 1997·Granted Dec 9, 1997·21 cites·12 claims
- 3349US6012847AGuide arrangement for hydraulic cylindersFREUDENBERG CARL·Filed 1995·Granted Jan 11, 2000·15 cites·7 claims
- 3449USD394320SFlooring surfaceFREUDENBERG CARL·Filed 1996·Granted May 12, 1998·5 cites·1 claims
- 3546US6251321B1Process of making a homogeneous floor coveringFREUDENBERG CARL·Filed 1999·Granted Jun 26, 2001·6 cites·6 claims
- 3645US4332633AMethod for producing shoulder pad materialFREUDENBERG CARL·Filed 1980·Granted Jun 1, 1982·11 cites·2 claims
- 3742US5704110ADevice for crimping a plastically deforming metal pole shoe around the end of a cableFREUDENBERG CARL·Filed 1996·Granted Jan 6, 1998·10 cites·4 claims
- 3841US2009301308A1Filter Arrangement for Fuel CellFREUDENBERG CARL·Filed 2006·Application pending·0 cites
- 3940US5588547ACovering developed for infusion bottleFREUDENBERG CARL·Filed 1994·Granted Dec 31, 1996·11 cites·8 claims
- 4039US4205595APistonFREUDENBERG CARL·Filed 1978·Granted Jun 3, 1980·7 cites·5 claims
- 4138US5755444ALipped sealing ring having wax packed in helical grooves to facilitate testing upon installationFREUDENBERG CARL·Filed 1996·Granted May 26, 1998·13 cites·6 claims
- 4237US4581286AArtificial split suede leather and a process for producing sameFREUDENBERG CARL·Filed 1985·Granted Apr 8, 1986·6 cites·12 claims
- 4335USD385976SFlooring surfaceFREUDENBERG CARL·Filed 1996·Granted Nov 4, 1997·2 cites·1 claims
- 4435US4140839ATubelet pocketFREUDENBERG CARL·Filed 1978·Granted Feb 20, 1979·7 cites·8 claims
- 4534US5607285APump drive apparatusFREUDENBERG CARL·Filed 1995·Granted Mar 4, 1997·4 cites·6 claims
- 4634US4616837ASeal ring with tippably supported guide ringFREUDENBERG CARL·Filed 1985·Granted Oct 14, 1986·10 cites·16 claims
- 4732US6233775B1Floor mopping deviceFREUDENBERG CARL·Filed 1997·Granted May 22, 2001·5 cites·9 claims
- 4832USD385979SFlooring surfaceFREUDENBERG CARL·Filed 1996·Granted Nov 4, 1997·1 cites·1 claims
- 4932US4603866AShaft and radially-sealing ring with cold flexed seal diskFREUDENBERG CARL·Filed 1985·Granted Aug 5, 1986·3 cites·16 claims
- 5029US5682663AManufacture of covering for infusion bottleFREUDENBERG CARL·Filed 1995·Granted Nov 4, 1997·2 cites·9 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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