Manufacturers Index - Sylvanus Sawyer
Sylvanus Sawyer
Templeton, MA; Fitchburg, MA, U.S.A.
Manufacturer Class:
Wood Working Machinery
This page contains information on patents issued to this manufacturer.
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6,874
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Nov. 13, 1849
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Machine for splitting and dressing rattan
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Sylvanus Sawyer |
Templeton, MA |
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7,106
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Feb. 19, 1850
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Breast-plate for harness
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Orrin Ramsdell |
Westfield, MA |
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8,178
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Jun. 24, 1851
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Machine for cutting ratan, &c.
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Sylvanus Sawyer |
Templeton, MA |
The 1868-10-14 issue of Scientific American carried a notice from the Commissioner of Patents that inventor Sawyer had applied for an extension to this patent. The 1869-01-30 issue carried a notice that the extension had been granted. According to the 1873 "Subject-matter index of patents for inventions issued by the United States Patent Office", this patent was granted an additional extension on 1867-03-02 by act of Congress. |
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12,073
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Dec. 12, 1854
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Ratan-machine
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Sylvanus Sawyer |
Fitchburg, MA |
The 1868-09-30 issue of Scientific American carries a notice from the Commissioner of Patent, Elisha Foote, that Sylvanus Sawyer had petitioned to have this patent extended. The 1869-01-30 issue had a notice that the extension had been granted to both this and to Sawyer's patent 8,178. |
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12,141
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Jan. 02, 1855
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Machine for splitting ratans into strips
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Sylvanus Sawyer |
Fitchburg, MA |
The 1869-01-30 issue of Scientific American carried a notice that this patent had been extended. |
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13,799
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Nov. 13, 1855
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Improved compound projectile
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Sylvanus Sawyer |
Fitchburg, MA |
Inventor Sawyer received several other patents for a wide variety of devices, including rattan-splitting machines. |
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34,040
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Dec. 24, 1861
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Improved fuse-hood for shells
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Sylvanus Sawyer |
Fitchburg, MA |
Of interest because inventor Sawyer also received patents for woodworking machinery. |
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34,041
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Dec. 24, 1861
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Improvement in mandrels for loading case-shot, &c.
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Sylvanus Sawyer |
Fitchburg, MA |
Of interest because inventor Sawyer also received patents for woodworking machinery. |
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36,172
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Aug. 12, 1862
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Improvement in combined time and percussion fuses for explosive shells
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Sylvanus Sawyer |
Fitchburg, MA |
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Improvement in combined time and percussion fuses for explosive shells
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Addison M. Sawyer |
Fitchburg, MA |
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38,699
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May. 26, 1863
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Improvement in igniting time-fuses of shells
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Addison M. Sawyer |
Fitchburg, MA |
Improvement to patent 36,172. |
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49,553
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Aug. 22, 1865
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Centerer
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Edmund E. Safford |
Fitchburg, Worcester County, MA |
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Centerer
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Sylvanus Sawyer |
Fitchburg, Worcester County, MA |
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63,656
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Apr. 09, 1867
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Improvement in Dividers and Calipers
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Sylvanus Sawyer |
Fitchburg, MA |
This design for a compass joint features a center stem that turns to adjust the caliper width. This idea was improved by the inventor as patent #79,603 (7/8/1868). |
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75,057
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Mar. 03, 1868
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Improvement in steam-generators
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Sylvanus Sawyer |
Fitchburg, MA |
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78,238
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May. 26, 1868
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Improvement in rattan-machines
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Sylvanus Sawyer |
Fitchburg, MA |
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79,603
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Jul. 07, 1868
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Improvement in Calipers
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Sylvanus Sawyer |
Fitchburg, MA |
This improvement to the earlier patent #63,656 (4/9/1867) features an improved (and even more complicated) adjustment mechanism mounted in the center post. |
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174,159
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Feb. 29, 1876
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Improvement in sewing-machines for sewing shoes
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Sylvanus Sawyer |
Fitchburg, MA |
This patent was reissued; the manufacturer information on this patent comes from the reissued patent. |
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Improvement in sewing-machines for sewing shoes
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William Esty |
Fitchburg, MA |
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RE9,698
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May. 10, 1881
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Machine for sewing shoes
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Sylvanus Sawyer |
Fitchburg, MA |
This reissue notes that it is an improvement on patents 124,293 and 135,047, and makes the "staple-stitch" of patent 124,293 as well as the ordinary chain-stitch. |
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Machine for sewing shoes
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William Esty |
Manchester, NH |
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280,867
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Jul. 10, 1883
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Watchmakers Lathe
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Sylvanus Sawyer |
Fitchburg, Worcester County, MA |
This was an improvement of Patent #220291 a centering chuck for a watchmakers lathe. |
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540,760
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Jun. 11, 1895
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Automatic air and vacuum valve
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Sylvanus Sawyer |
Fitchburg, MA |
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