-
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Rapper device
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Patent number 8,656,567
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Issue date Feb 25, 2014
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Shell Oil Company
-
Alfons Heitmann
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B08 - CLEANING
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Rapper device
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Patent number 8,621,732
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Issue date Jan 7, 2014
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Shell Oil Company
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Alfons Heitmann
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B08 - CLEANING
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Impact rapping device
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Patent number 8,291,560
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Issue date Oct 23, 2012
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Foster Wheeler Energia Oy
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Rauno Peippo
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B08 - CLEANING
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-
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Pneumatically driven descaling tools
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Patent number 5,251,367
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Issue date Oct 12, 1993
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Equipment Development Company, Inc.
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James E. Ward
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Pneumatically driven descaling tool
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Patent number 5,184,382
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Issue date Feb 9, 1993
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Equipment Development Company, Inc.
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James E. Ward
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Method and device for edge-finishing
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Patent number 5,007,268
-
Issue date Apr 16, 1991
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Kelly; Nigel Brian
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Nigel B. Kelly
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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-
3409854
-
Patent number 3,409,854
-
Issue date Nov 5, 1968
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3366420
-
Patent number 3,366,420
-
Issue date Jan 30, 1968
-
B28 - WORKING CEMENT, CLAY, OR STONE
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3332128
-
Patent number 3,332,128
-
Issue date Jul 25, 1967
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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3067487
-
Patent number 3,067,487
-
Issue date Dec 11, 1962
-
B08 - CLEANING
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2924871
-
Patent number 2,924,871
-
Issue date Feb 16, 1960
-
B08 - CLEANING
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2904803
-
Patent number 2,904,803
-
Issue date Sep 22, 1959
-
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2827102
-
Patent number 2,827,102
-
Issue date Mar 18, 1958
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2787943
-
Patent number 2,787,943
-
Issue date Apr 9, 1957
-
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2618241
-
Patent number 2,618,241
-
Issue date Nov 18, 1952
-
E21 - EARTH DRILLING MINING
-
2310703
-
Patent number 2,310,703
-
Issue date Feb 9, 1943
-
C21 - METALLURGY OF IRON
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2208892
-
Patent number 2,208,892
-
Issue date Jul 23, 1940
-
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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2044561
-
Patent number 2,044,561
-
Issue date Jun 16, 1936
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
-
1674900
-
Patent number 1,674,900
-
Issue date Jun 26, 1928
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
-
1585740
-
Patent number 1,585,740
-
Issue date May 25, 1926
-
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
-
801515
-
Patent number 801,515
-
Issue date Oct 10, 1905
-
B08 - CLEANING
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462707
-
Patent number 462,707
-
Issue date Nov 10, 1891
-
B60 - VEHICLES IN GENERAL
-
326939
-
Patent number 326,939
-
Issue date Sep 29, 1885
-
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS