|
US3137039A
(en)
*
|
|
1964-06-16 |
|
Molds for making air |
|
NL83291C
(pm)
*
|
1951-11-16 |
|
|
|
|
DE1035102B
(de)
*
|
1952-07-18 |
1958-07-31 |
Fram Corp |
Filterelement fuer Fluessigkeiten und Verfahren zum Zusammenbauen dieses Filterelementes
|
|
DE943085C
(de)
*
|
1953-03-01 |
1956-05-09 |
Alfred Knecht |
Luftreiniger als Ansauggeraeuschdaempfer mit Austausch-Filtereisatz
|
|
US2732031A
(en)
*
|
1953-05-07 |
1956-01-24 |
|
Combination seal and gasket for end of pleated cartridge |
|
GB770556A
(en)
*
|
1953-10-22 |
1957-03-20 |
Bendix Aviat Corp |
Improvements in fluid filters
|
|
US2771156A
(en)
*
|
1953-10-22 |
1956-11-20 |
Bendix Aviat Corp |
Filter
|
|
US2739916A
(en)
*
|
1953-12-08 |
1956-03-27 |
Fram Corp |
Method of making filter cartridges
|
|
US2782933A
(en)
*
|
1954-01-04 |
1957-02-26 |
Fram Corp |
Flocked filter media
|
|
DE1006668B
(de)
*
|
1954-10-23 |
1957-04-18 |
Alfred Knecht |
Stufenfilter fuer staubhaltige Ansaugluft fuer Brennkraftmaschinen
|
|
DE1173872B
(de)
*
|
1956-01-20 |
1964-07-16 |
Bowser Inc |
Filtereinsatz
|
|
US2919765A
(en)
*
|
1956-12-06 |
1960-01-05 |
Bendix Aviat Corp |
Filter element assembly
|
|
US2895174A
(en)
*
|
1957-01-10 |
1959-07-21 |
Fram Corp |
Manufacture of pleated filters
|
|
US2962121A
(en)
*
|
1958-03-26 |
1960-11-29 |
Dollinger Corp |
Filter
|
|
DE1202759B
(de)
*
|
1961-02-08 |
1965-10-14 |
Dollinger Corp |
Filtereinsatz
|
|
US3206033A
(en)
*
|
1962-03-22 |
1965-09-14 |
Met Pro Inc |
Liquid dispenser for the purification and filtration of water
|
|
US3235633A
(en)
*
|
1962-04-02 |
1966-02-15 |
Gen Motors Corp |
Method of molding filter end caps
|
|
DE1284399B
(de)
*
|
1965-10-26 |
1968-12-05 |
Argo Gmbh F Feinmechanik |
Saugfilter mit Schmutzfangeinrichtung
|
|
US3389031A
(en)
*
|
1966-03-07 |
1968-06-18 |
Borje O Rosaen |
Method of manufacturing pleated filters
|
|
US3465413A
(en)
*
|
1966-10-25 |
1969-09-09 |
Universal Filters Inc |
Method of manufacturing pleated filters
|
|
DE3007757A1
(de)
*
|
1980-02-29 |
1981-09-24 |
Drägerwerk AG, 2400 Lübeck |
Verfahren zur herstellung von filterelementen aus filterpapier
|
|
GB2162768B
(en)
*
|
1984-08-06 |
1989-01-11 |
Tilghman Wheelabrator Ltd |
Filtering apparatus
|
|
US4921600A
(en)
*
|
1986-03-12 |
1990-05-01 |
Meissner Mfg. Co., Inc. |
Filter cartridge for swimming pools and spas
|
|
USD306199S
(en)
|
1987-02-25 |
1990-02-20 |
Meissner Mfg. Co., Inc. |
Cover plate for a filter cartridge for a spa or swimming pool water filter
|
|
DE3805452A1
(de)
*
|
1988-02-22 |
1989-08-31 |
Kloeckner Humboldt Deutz Ag |
Luftfiltereinsatz
|
|
GB2272843B
(en)
*
|
1992-11-11 |
1996-08-14 |
Pall Corp |
Filter elements
|
|
DE4419361A1
(de)
*
|
1994-06-03 |
1995-12-07 |
Knecht Filterwerke Gmbh |
Ringfilterelement mit stirnseitiger Vliesabdeckung
|
|
US6004366A
(en)
|
1994-11-23 |
1999-12-21 |
Donaldson Company, Inc. |
Reverse flow air filter arrangement and method
|
|
DE19928448A1
(de)
*
|
1999-06-23 |
2000-12-28 |
Mahle Filtersysteme Gmbh |
Ringfilter aus sternförmig gefaltetem Filterbahnmaterial
|
|
DE102004029226A1
(de)
*
|
2004-06-17 |
2006-01-12 |
Hydac Filtertechnik Gmbh |
Filtervorrichtung und Filterelement
|