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1952-03-17 |
1956-03-13 |
Francis A Utecht Jr |
Seal
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1952-11-06 |
1958-09-18 |
Siemens Ag |
Fluessigkeitsringdichtung fuer umlaufende Maschinen
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1954-03-03 |
1958-05-20 |
Ingersoll Rand Co |
Rotary shaft seal
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NL201374A
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1954-10-21 |
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DE1017470B
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1955-02-21 |
1957-10-10 |
Paul Bungartz |
Kreiselpumpe mit hydraulischer Abdichtung des Wellenspaltes durch ein Hilfsfoerderrad beim Betrieb und mit einem durch axiale Wellenverschiebung betaetigtem Wellenspaltventil zur Abdichtung des Wellenspaltes beim Stillstand
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1955-10-06 |
1958-08-28 |
Klaus Maschinen Und Appbau F |
Wellenspaltabdichtung bei Kreiselpumpen
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1958-09-02 |
1962-12-18 |
Murray William |
Centrifugal impeller pumps
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1958-12-26 |
1962-04-03 |
Thompson Lee Lavere |
Seals for rotating shafts
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1959-02-06 |
1962-09-04 |
Donald M Hampton |
Well head for air drilling apparatus
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1959-03-04 |
1963-05-28 |
Thompson Ramo Wooldridge Inc |
Seal
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1959-04-27 |
1962-08-14 |
Bell Aerospace Corp |
Pump seal
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1959-07-04 |
1961-03-16 |
Basf Ag |
Hydrodynamische Wellendichtung
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1962-07-12 |
1963-06-18 |
Garrett Corp |
Seal for refrigerant compressor
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1966-07-27 |
1968-11-12 |
Worthington Corp |
Centrifugal and face contact seal
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1971-05-28 |
1973-07-03 |
Nash Engineering Co |
Vacuum pump
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1974-07-10 |
1983-06-09 |
Grundfos A/S, 8850 Bjerringbro |
Dichtungsanordnung für die Welle eines zur Unterwassermontage eingerichteten Elektromotors
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1976-07-28 |
1980-04-22 |
Stauffer Chemical Company |
Labyrinth sealing system
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1978-05-11 |
1980-01-01 |
Douglas Frederick |
Slinger device
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1982-04-10 |
1984-10-11 |
Pacific Wietz Gmbh + Co Kg, 4600 Dortmund |
Mehrschichtiger Gleitkörper und Verfahren zu seiner Herstellung
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1984-11-13 |
1986-10-02 |
M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen |
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1987-10-20 |
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Hebert Michel |
Dispositif d'etancheite dynamique par corps centrifuge
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1993-09-07 |
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1988-03-09 |
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Mtu Muenchen Gmbh |
Beruehrungsfreie aerosol-dichtung
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Baker Hughes Limited |
Seal for shaft
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Method and apparatus for drilling a borehole into a subsea abnormal pore pressure environment
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2007-08-27 |
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Snecma |
Dispositif d'etancheite avec joint hydraulique du passage d'un arbre rotatif au travers d'une paroi d'une enceinte.
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2018-01-29 |
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Trelleborg Sealing Solutions Germany Gmbh |
Axial-Wellendichtring und Dichtungsanordnung
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General Electric Company |
Seal assembly for a turbo machine
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Vestas Wind Systems A/S |
Apparatus for sealing rotatable components of a wind turbine powertrain
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2023-01-17 |
艾志(南京)环保管接技术股份有限公司 |
液体用机械密封装置
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