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1790/1791 U.S. Patents
 
Hopkins, Samuel on July 31, 1790
#X000001 making pot and pearl ashes, VT

Sampson, Joseph Stacey on August 6, 1790
#X000002 manufacturing candles Boston, MA

Evans, Oliver on December 18, 1790
#X000003 manufacturing flour and meal Philadelphia, PA

Baily, Francis on January 29, 1791
#X000004 punches for types Philadelphia, PA

Putnam, Aaron on January 29, 1791
#X000005 improvement in distilling Medford, MA

Stone, John on March 10, 1791
#X000006 driving piles for bridges Concord, MA

Mulliken, Samuel on March 11, 1791
#X000007 machine for threshing grain and corn Philadelphia, PA

Mulliken, Samuel on March 11, 1791
#X000008 breaking and swingling hemp Philadelphia, PA

Mulliken, Samuel on March 11, 1791
#X000009 machine for cutting and polshing marble Philadelphia, PA

Mulliken, Samuel on March 11, 1791
#X000010 machine for raising a nap on cloths Philadelphia, PA

Parkinson, George on March 17, 1791
#X000011 machine for spinning flax, hemp, etc. Philadelphia, PA

Dickerson, Jonathan on July 30, 1791
#X000012 improvement in tide mills Morris County, NJ

Briggs, Samuel, Sr. and Briggs, Samuel, Jr. on August 2, 1791
#X000013 machine for making nails Philadelphia, PA

Thomson, William on August 2, 1791
#X000014 machine for threshing wheat Richmond, VA

Livingston, Robert R. on August 4, 1791
#X000015 diminishing the friction of spindles Clermont County, NY

Biddis, John & Bedwell, Thomas on August 10, 1791
#X000016 making the extract of barks Philadelphia, PA

Kuhn, Ludwig Conrad on August 10, 1791
#X000017 improved bedstead Philadelphia, PA

Gordon, Peter on August 10, 1791
#X000018 manufacturing boots Philadelphia, PA

Voight, Henry on August 10, 1791
#X000019 propelling boats by cattle Philadelphia, PA

Keyser, Henry on August 10, 1791
#X000020 manufacturing gunpowder Philadelphia, PA

Macomb, James on August 26, 1791
#X000021 horizontal hollow water wheel for mills Princeton, NJ

Rumsay, James on August 26, 1791
#X000022 improvement of Dr. Barker's mill Berkley County, VA

Rumsay, James on August 26, 1791
#X000023 improved mode of working mills Berkley County, VA

Rumsay, James on August 26, 1791
#X000024 improvement of Savary's steam engine Berkley County, VA

Rumsay, James on August 26, 1791
#X000025 bellows Berkley County, VA

Rumsay, James on August 26, 1791
#X000026 generating steam Berkley County, VA

Rumsay, James on August 26, 1791
#X000027 propelling boats or vessels Berkley County, VA

Fitch, John on August 26, 1791
#X000028 propelling boats by steam Philadelphia, PA

Read, Nathan on August 26, 1791
#X000029 improved boiler of the steam engine Salem, MA

Read, Nathan on August 26, 1791
#X000030 improvement in distilling Salem, MA

Stevens, John, Jr. on August 26, 1791
#X000031 boiler for generating steam Bergen County, NJ

Stevens, John, Jr. on August 26, 1791
#X000032 improvement in captain Savary's steam engine Bergen County, NJ

Stevens, John, Jr. on August 26, 1791
#X000033 application of steam to work bellows Bergen County, NJ

Cruse, Englehart on August 26, 1791
#X000034 improvement of Savary's steam engine Baltimore, MD

Zacharie, Peter on November 24, 1791
#X000035 machine for cleaning docks or harbours Baltimore, MD

Pollard, Williamon December 30, 1791
#X000036 machine for spinning cotton Philadelphia, PA


Patent records through July 1836 were burned in a fire.
They have been researched and are called "X-Patents" when found.
Not all have been found and consolidated into the new list.


Officially patents of this era have an "X" at the end of the patent number, but that is not always the case. Research online often put the "x" in the front of the number, and we have used that system



Fractional numbers are designed to update patents, but keep them in sequential order.
. . .


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