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Generation of high vacuums
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Patent number 4,172,477
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Issue date Oct 30, 1979
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Leybold-Heraeus GmbH & Co. KG
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Gunter Reich
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Pumping unit for television tubes
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Patent number 4,071,058
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Issue date Jan 31, 1978
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Compagnie Industrielle des Telecommunications Clt-Alcatel S.A.
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Michel Albertin
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3829244
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Patent number 3,829,244
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Issue date Aug 13, 1974
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3552885
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Patent number 3,552,885
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Issue date Jan 5, 1971
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3545500
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Patent number 3,545,500
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Issue date Dec 8, 1970
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3515171
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Patent number 3,515,171
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Issue date Jun 2, 1970
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3480200
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Patent number 3,480,200
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Issue date Nov 25, 1969
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3446422
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Patent number 3,446,422
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Issue date May 27, 1969
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3327521
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Patent number 3,327,521
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Issue date Jun 27, 1967
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3326451
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Patent number 3,326,451
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Issue date Jun 20, 1967
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3322334
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Patent number 3,322,334
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Issue date May 30, 1967
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3237419
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Patent number 3,237,419
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Issue date Mar 1, 1966
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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3144199
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Patent number 3,144,199
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Issue date Aug 11, 1964
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3140819
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Patent number 3,140,819
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Issue date Jul 14, 1964
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3088219
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Patent number 3,088,219
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Issue date May 7, 1963
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3043323
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Patent number 3,043,323
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Issue date Jul 10, 1962
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2935243
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Patent number 2,935,243
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Issue date May 3, 1960
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2902206
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Patent number 2,902,206
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Issue date Sep 1, 1959
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2855140
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Patent number 2,855,140
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Issue date Oct 7, 1958
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2826353
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Patent number 2,826,353
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Issue date Mar 11, 1958
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2772047
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Patent number 2,772,047
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Issue date Nov 27, 1956
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2722371
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Patent number 2,722,371
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Issue date Nov 1, 1955
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2652188
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Patent number 2,652,188
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Issue date Sep 15, 1953
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G05 - CONTROLLING REGULATING
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2191345
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Patent number 2,191,345
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Issue date Feb 20, 1940
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1716160
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Patent number 1,716,160
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Issue date Jun 4, 1929
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1460345
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Patent number 1,460,345
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Issue date Jun 26, 1923
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1397924
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Patent number 1,397,924
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Issue date Nov 22, 1921
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...