Patent for improved “process of reducing asphaltum to a liquid and holding the same in a fluid condition without heat or the use of dead-oils” (lines 31-34)
Patent for improvements in the process of preparing and tempering slurry for Portland cement by expe...
Patent for a process of purifying vegetable oils, specifically cottonseed oil, using a little or no ...
Patent for a new and improved oil can. This design "has for its object to provide a can of improved ...
Patent for a process to "reduce asphaltum to a liquid, and hold the same in a semi-fluid condition w...
Patent for "a process for hardening or partly solidifying to any required degree substances such as ...
Patent for an "improved method of and apparatus for treating mineral pitch and similar material to r...
Patent for a new and improved process for manufacturing oil-cake. This design "involves but a very s...
Patent for "an improved method of reducing gold and silver ores and recovering their metals." (Lines...
Patent for the improvement in the manufacture of hydraulic cement with specifications for the manufa...
Patent for a new compound called Bitumenated Ore. "The product is a dense, durable, and economical c...
Patent for an improved process designed "to lessen the time required for the manufacture of soaps an...
Heavy oils and native asphalt commercial field development is concerned with research on different i...
Patent for improvements for raising liquids from deep wells. "It has a particular application to the...
Patent for improvement in“the manufacture of hydraulic cement or lime form rotten or decomposed lime...
Patent for "a liquid compound for closing punctures in inflated wheel-tires." (Lines 11-12) Includes...
Patent for improvements in the process of preparing and tempering slurry for Portland cement by expe...
Patent for a process of purifying vegetable oils, specifically cottonseed oil, using a little or no ...
Patent for a new and improved oil can. This design "has for its object to provide a can of improved ...
Patent for a process to "reduce asphaltum to a liquid, and hold the same in a semi-fluid condition w...
Patent for "a process for hardening or partly solidifying to any required degree substances such as ...
Patent for an "improved method of and apparatus for treating mineral pitch and similar material to r...
Patent for a new and improved process for manufacturing oil-cake. This design "involves but a very s...
Patent for "an improved method of reducing gold and silver ores and recovering their metals." (Lines...
Patent for the improvement in the manufacture of hydraulic cement with specifications for the manufa...
Patent for a new compound called Bitumenated Ore. "The product is a dense, durable, and economical c...
Patent for an improved process designed "to lessen the time required for the manufacture of soaps an...
Heavy oils and native asphalt commercial field development is concerned with research on different i...
Patent for improvements for raising liquids from deep wells. "It has a particular application to the...
Patent for improvement in“the manufacture of hydraulic cement or lime form rotten or decomposed lime...
Patent for "a liquid compound for closing punctures in inflated wheel-tires." (Lines 11-12) Includes...
Patent for improvements in the process of preparing and tempering slurry for Portland cement by expe...
Patent for a process of purifying vegetable oils, specifically cottonseed oil, using a little or no ...
Patent for a new and improved oil can. This design "has for its object to provide a can of improved ...
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