Patent Index:
- US Patent 159,119 – Improvement in Wrenches
- US Patent 198,685 – Improvement in Wrenches
- US Patent 222,714 – Improvement in Peg-Floats
- Canadian Patent 10,613 – Wrench
- US Patent 226,490 – Wrench
- US Patent 273,461 – Wrench
- US Patent 278,458 – Hat Curling Machine
- US Patent 296,540 – Wrench
- Canadian Patent 20,659 – Wrench
- US Patent 383,808 – Rocking Chair
- US Patent 530,419 – Combination Tool
- US Patent 597,992 – Skate
- US Patent 601,302 – Combination Tool
- US Patent 674,735 – Combination Tool
- US Patent 681,662 – Pancake Turner
- US Patent 789,165 – Heel Clamp For Skates
- US Patent 951,401 – Apparatus Or Machine For Grinding And Polishing Skate Runners
US Patent 159,119 – Improvement in Wrenches
DATE OF APPLICATION: December 5, 1874
DATE ISSUED: January 26, 1875
PATENTEE: Sylvanus E. Robinson
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <https://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0159119&IDKey>
NOTE: From DATAMP.ORG – A version of this wrench with a hammer poll and claw as the “crank handle”, and with a wing-nut to turn the adjusting screw was produced. One such piece was reported as marked “Lowentraut Pat. Jan 26, 1875.” Other examples include markings referencing Robinson’s Dec. 25, 1877 patent (no. 198,685) and “Robinson’s Crank Wrenches and Bit-Brace Co.” (DATAMP, Accessed 01 July 2019, <http://datamp.org/patents/displayPatent.php?number=159119&typeCode=0>)
US Patent 198,685 – Improvement in Wrenches
DATE OF APPLICATION: November 10, 1877
DATE ISSUED: December 25, 1877
PATENTEE: Sylvanus E. Robinson
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0198685&IDKey>
US Patent 222,714 – Improvement in Peg-Floats
DATE OF APPLICATION: May 13, 1879
DATE ISSUED: December 16, 1879
PATENTEE: Peter Lowentraut
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0222714&IDKey>
Canadian Patent 10,613 – Wrench
DATE OF APPLICATION: October 18, 1879
DATE ISSUED: November 5, 1879
PATENTEE: Joseph Warren Calef
SOURCE: Library and Archives Canada, Accessed 01 July 2019, <http://www.bac-lac.gc.ca/eng/discover/patents-1869-1919/Pages/item.aspx?IdNumber=10613&>
NOTE: DATAMP.ORG – This self-adjusting wrench operates by gear-teeth on the inner end of the swinging handle engaging rack teeth on the back side of the movable jaw. The U.S. patent was preceded by Canadian patent CA-10,613 issued Nov. 5, 1879. This patent along with Calef’s March 6, 1883 patent (no. 273,461) was used in P. Lowentraut’s SAMSON self-adjusting wrench. (DATAMP, Accessed 01 July 2019, <http://datamp.org/patents/displayPatent.php?number=10,613&country=CA>)
US Patent 226,490 – Wrench
DATE OF APPLICATION: January 31, 1880
DATE ISSUED: April 13, 1880
PATENTEE: Joseph Warren Calef
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0226490&IDKey>
NOTE: DATAMP.ORG – This self-adjusting wrench operates by gear-teeth on the inner end of the swinging handle engaging rack teeth on the back side of the movable jaw. The U.S. patent was preceded by Canadian patent CA-10,613 issued Nov. 5, 1879. This patent along with Calef’s March 6, 1883 patent (no. 273,461) was used in P. Lowentraut’s SAMSON self-adjusting wrench. (DATAMP, Accessed 01 July 2019, <http://datamp.org/patents/displayPatent.php?number=226490&typeCode=0>)
US Patent 273,461 – Wrench
DATE OF APPLICATION: February 3, 1883
DATE ISSUED: March 6, 1883
PATENTEE: Joseph Warren Calef
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0273461&IDKey>
NOTE: DATAMP.ORG – This improvement on Calef’s April 13, 1880 patent (no. 226,490) changes the shape of the teeth on the handle and sliding jaw.
Both patents were used for the Lowentraut SAMSON self-adjusting wrench.
(DATAMP, Accessed 01 July 2019, <http://datamp.org/patents/displayPatent.php?number=273461&typeCode=0>)
US Patent 278,458 – Hat Curling Machine
DATE OF APPLICATION: January 19, 1883
DATE ISSUED: May 29, 1883
PATENTEE: George Roth
ASSIGNOR: George Roth, Peter Lowentraut, and Martina L. Roth
SOURCE: United States Patent and Trademark Office, Accessed 13 February 2020, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0278458&IDKey>
US Patent 296,540 – Wrench
DATE OF APPLICATION: December 4, 1883
DATE ISSUED: April 8, 1884
PATENTEE: Dwight Morse De Silva
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0296540&IDKey>
NOTE: DATAMP.ORG – The set screw adjusts the size range of the opening. The cams on the inner end of the handle provide the final gripping bite.
The comparable Canadian patent is no. CA-20,659 issued Nov. 29, 1884.
Contemporary advertising shows P. Lowentraut Mfg. of Newark, N.J. produced this as the “EUREKA” pipe tongs in four sizes.
(DATAMP, Accessed 01 July 2019, <http://datamp.org/patents/displayPatent.php?number=296540&typeCode=0>)
Canadian Patent 20,659 – Wrench
DATE OF APPLICATION: May 30, 1884
DATE ISSUED: November 29, 1884
PATENTEE: Dwight Morse De Silva
NOTE: DATAMP.ORG – The set screw adjusts the size range of the opening. The cams on the inner end of the handle provide the final gripping bite.
The comparable Canadian patent is no. CA-20,659 issued Nov. 29, 1884.
Contemporary advertising shows P. Lowentraut Mfg. of Newark, N.J. produced this as the “EUREKA” pipe tongs in four sizes.
(DATAMP, Accessed 01 July 2019, <http://datamp.org/patents/displayPatent.php?number=20,659&country=CA>)
US Patent 383,808 – Rocking Chair
DATE OF APPLICATION: May 31, 1887
DATE ISSUED: May 29, 1888
PATENTEE: George F. Hall
ASSIGNOR: 1/2 to Peter Lowentraut
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0383808&IDKey>
US Patent 530,419 – Combination Tool
DATE OF APPLICATION: July 19, 1894
DATE ISSUED: December 4, 1894
PATENTEE: Samuel J. Johnston
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0530419&IDKey>
US Patent 597,992 – Skate
DATE OF APPLICATION: September 9, 1896
DATE ISSUED: January 25, 1898
PATENTEE: Peter Lowentraut
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0597992&IDKey>
US Patent 601,302 – Combination Tool
DATE OF APPLICATION: September 7, 1897
DATE ISSUED: March 29, 1898
PATENTEE: Samuel J. Johnston
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0601302&IDKey>
US Patent 674,735 – Combination Tool
DATE OF APPLICATION: June 9, 1900
DATE ISSUED: May 21, 1901
PATENTEE: Samuel J. Johnston
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0674735&IDKey>
US Patent 681,662 – Pancake Turner
DATE OF APPLICATION: April 11, 1901
DATE ISSUED: August 27, 1901
PATENTEE: William Tomaskoff
ASSIGNOR: Peter Lowentraut
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0681662&IDKey>
US Patent 789,165 – Heel Clamp For Skates
DATE OF APPLICATION: February 26, 1904
DATE ISSUED: May 9, 1905
PATENTEE: Peter Lowentraut
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0789165&IDKey>
US Patent 951,401 – Apparatus Or Machine For Grinding And Polishing Skate Runners
DATE OF APPLICATION: October 5, 1909
DATE ISSUED: March 8, 1910
PATENTEE: Ferdinand H. Koerner
ASSIGNOR: 1/2 To Anna Lowentraut
SOURCE: United States Patent and Trademark Office, Accessed 01 July 2019, <http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=0951401&IDKey>
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