Author:Harry P. Bassett

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Harry P. Bassett

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American inventor

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Works

United States Patents

Newark, Delaware

United States patent 1046538, "Treatment of flax-straw", issued December 10, 1912, filed June 16, 1910. (external scan)

Baltimore, Maryland

United States patent 1072686, "Process of obtaining potash salts from feldspar", issued September 9, 1913, filed June 22, 1913. (external scan)

Cantonsville, Maryland

United States patent 1079589, "Treatment of aluminum-bearing materials", issued November 25, 1913, filed March 22, 1912. (external scan)
United States patent 1091034, "Process of obtaining potash from feldspar", issued March 24, 1914, filed September 18, 1912. (external scan)
United States patent 1159464, "Process of recovering potash from potassium-iron silicates", issued November 9, 1915, filed February 19, 1914. (external scan)
United States patent 1172420, "Combined process of treating feldspathic and phosphate rock", issued February 22, 1916, filed December 26, 1913. (external scan)
United States patent 1194465, "Separation of sodium and potassium salts", issued August 15, 1916, filed March 8, 1915. (external scan)
United States patent 1217388, "Process of producing a soluble potassium compound", issued February 27, 1917, filed July 15, 1915. (external scan)
United States patent 1217389, "Process of treating potassium containing silicates and phosphate rock and the product of such process", issued February 27, 1917, filed July 15, 1915. (external scan)
United States patent 1217390, "Process of producing potassium salts", issued February 27, 1917, filed July 18, 1915. (external scan)

Cynthiana, Kentucky

United States patent 1314849, "Continuous action retort", issued September 2, 1919, filed September 17, 1918. (external scan)
United States patent 1344850, "Process of treating distiller's slop", issued June 29, 1920, filed July 12, 1919. (external scan)
United States patent 1344851, "Process of treating distiller's slop", issued June 29, 1920, filed July 12, 1919. (external scan)
United States patent 1357138, "Process of treating distillers' slops", issued October 26, 1920, filed November 3, 1919. (external scan)
United States patent 1360355, "Basic refractory composition and process of making the same", issued November 30, 1920, filed October 15, 1919. (external scan)
United States patent 1360356, "Process of producing hardened-casein compounds", issued November 30, 1920, filed February 25, 1920. (external scan)
United States patent 1380035, "Process of separating the potassium content of potassium-containing liquors", issued May 31, 1921, filed June 12, 1920. (external scan)
United States patent 1390327, "Acid-proof refractory composition", issued September 13, 1921, filed October 15, 1919. (external scan)
United States patent 1390328, "Basic refractory material", issued September 13, 1921, filed October 15, 1919. (external scan)
United States patent 1390329, "Process of treating waste denitration liquors", issued September 13, 1921, filed June 18, 1920. (external scan)
United States patent 1395940, "Process of recovering volatile solvents", with Samuel S. Sadtler, issued November 1, 1921, filed September 17, 1920. (external scan)
United States patent 1402040, "Process of bleaching cotton", issued January 3, 1922, filed April 18, 1920. (external scan)
United States patent 1404083, "Process of producing alumina and potash", issued January 17, 1922, filed February 16, 1920. (external scan)
United States patent 1405388, "Production of magnesia", issued February 7, 1922, filed January 17, 1921. (external scan)
United States patent 1410642, "Process of producing alumina and potash", issued March 28, 1922, filed February 16, 1920. (external scan)
United States patent 1436228, "Process of separating mixtures of salt", issued November 21, 1922, filed April 14, 1921. (external scan)
United States patent 1466329, "Process of acetylizing cellulose", issued August 28, 1923, filed May 11, 1921. (external scan)
United States patent 1497321, "Process of making artificial silk and similar products", with Thomas F. Banigan, issued June 10, 1924, filed May 14, 1923. (external scan)
United States patent 1509688, "Recovery of arsenic", with Charles L. Parsons, issued September 23, 1924, filed August 13, 1923. (external scan)
United States patent 1528004, "Method of obtaining arsenious oxide", with Samuel S. Sadtler, issued March 3, 1925, filed February 25, 1924. (external scan)
United States patent 1560965, "Process of spinning artificial silk and other filaments from cellulose materials", with Thomas F. Banigan, issued November 10, 1925, filed May 17, 1923. (external scan)
United States patent 1562490, "Method of making arsenates", issued November 24, 1925, filed February 19, 1923. (external scan)
United States patent 1568044, "Composition of matter", with Mone R. Isaacs, issued January 5, 1926, filed November 1, 1922. (external scan)
United States patent 1586437, "Process of making acetylated nitrocellulose", with Thomas F. Banigan, issued May 25, 1926, filed May 11, 1923. (external scan)
United States patent 1588691, "Method of making arsenates", with Elbert C. Lathrop, issued June 15, 1926, filed April 10, 1924. (external scan)
United States patent 1616250, "Process of purifying salt crystals from iron contaminants", issued February 1, 1927, filed March 27, 1925. (external scan)
United States patent 1620938, "Altering viscosity of cellulose-containing materials", issued March 15, 1927, filed December 19, 1923. (external scan)
United States patent 1642290, "Method of spinning threads", with Thomas F. Banigan, issued September 13, 1927, filed December 12, 1925. (external scan)
United States patent 1662735, "Process of making alkali-metal sulphydrates", issued March 13, 1928, filed December 15, 1925. (external scan)
United States patent 1676003, "Manufacture of artificial silk", issued July 3, 1928, filed December 15, 1925. (external scan)
United States patent 1709513, "Process of forming cellulose products", with Thomas F. Banigan, issued April 16, 1929, filed May 11, 1923. (external scan)
United States patent 1722170, "Production of hydrogen sodium sulphate", issued July 23, 1929, filed October 9, 1925. (external scan)
United States patent 1722171, "Process of treating cellulose and cellulose-ester filaments and the product thereof", issued July 23, 1929, filed September 1, 1926.
United States patent 1736280, "Process of manufacturing artificial silk and the like", with Thomas F. Banigan, issued November 19, 1929, filed May 19, 1924. (external scan)
United States patent 1756331, "Process of recovering volatile placticizers from celluloid and the like", issued April 29, 1930, filed February 10, 1927. (external scan)
United States patent 1766369, "Process of producing borneal and the like", with Richard C. Morrison, issued June 24, 1930, filed November 6, 1928. (external scan)
United States patent 1792351, "Process of producing paper stock", issued February 10, 1931, filed June 3, 1925. (external scan)
United States patent 1831647, "Process of preparing alkali cellulose", issued November 10, 1931, filed April 13, 1928. (external scan)
United States patent 1842649, "Process of treating cellulose material", issued January 26, 1932, filed April 18, 1929. (external scan)
United States patent 1869040, "Preparation of cellulose solutions", issued July 26, 1932, filed February 13, 1930. (external scan)
United States patent 1883478, "Process of purifying cellulose material", issued October 18, 1932, filed June 4, 1929. (external scan)
United States patent 1890359, "Recovery of tin", issued December 6, 1932, filed September 3, 1930. (external scan)
United States patent 1920053, "Process of making copper hydroxide", with Jewett C. Simons, issued July 25, 1933, filed June 17, 1930. (external scan)
United States patent 1923292, "Purification of cellulose material", issued August 22, 1933, filed August 31, 1931. (external scan)
United States patent 1933205, "Process of recovering plasticizers from celluloid and like plastic compositions", issued Oct 31, 1933, filed May 15, 1931. (external scan)
United States patent 1933204, "Purifying spun cellulose products", issued October 31, 1933, filed September 30, 1930. (external scan)
United States patent 1938312, "Method of manufacturing artificial silk filaments", issued December 5, 1933, filed July 31, 1929. (external scan)
United States patent 1961545, "Purification of bast fibers", issued June 5, 1934, filed August 4, 1933. (external scan)
United States patent 1976873, "Removing solvents from plastic colloids", issued October 16, 1934, filed June 26, 1931. (external scan)
United States patent 2095961, "Process of removing solvents from plastic colloids", issued Oct 19, 1937, filed Mar 4, 1930. (external scan)
United States patent 2144213, "Mechanism for extruding plastic materials", with Edward B. Edwards, issued January 17, 1939, filed October 5, 1936. (external scan)
United States patent 2017177, "Process of removing solvents from plastic colloids", issued October 15, 1935, filed June 19, 1931. (external scan)
United States patent 2209256, "Process of removing solvents from plastic colloids", issued July 23, 1940, filed March 4, 1930. (external scan)

Philadelphia, Pennsylvania

United States patent 1843861, "Oil cracking apparatus", issued February 2, 1932, filed May 21, 1927. (external scan)
United States patent 2016222, "Catalytic production of sulphur trioxide", issued October 1, 1935, filed March 1, 1932. (external scan)

Some or all works by this author are in the public domain in the United States because they were published before January 1, 1929.

These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.

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