Innovation and patent archive

206 patents match this view.

1. 1839US1180A

   Rail / Transportation

   Springs for Railroad-Cars

   Patrick Riley

   Combines boxed spiral springs with an inverted arch or bow spring to support railroad cars or other carriages.

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2. 1858US21997A

   Consumer / Household

   Self-Inking Hand-Press

   Daniel Zuern, Lewis L. Bevan

   A single-lever hand or post-office press that moves a self-inking roller, stamps or prints material on a movable bed, and returns or delivers the work.

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3. 1863US38569A

   Mining / Coal

   Improvement in coal-screens

   Richard B. Douty

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4. 1872US127629A

   Consumer / Household

   Improvement in wash-boards

   James K. Miller, Ferdinand D. Bashore

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5. 1872US133772A

   Industrial / Mechanical

   Improvement in reversible screw-fans

   William H. Goyne

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6. 1873US144518A

   Consumer / Household

   Improvement in culinary utensils

   Henry G. Dunkelberger

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7. 1873US145329A

   Consumer / Household

   Improvement in meat-holders

   Sarah Beissel

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8. 1875US162561A

   Industrial / Mechanical

   Improvement in rotary engines

   Diodorus S. Jones

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9. 1875US171029A

   Rail / Transportation

   Improvement in railroad-rails

   George H. Mayer Jr.

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10. 1876US172711A

    Consumer / Household

    Improvement in stoves

    W. Y. Cruikshank

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11. 1876US179540A

    Tools / Trades

    Improvement in machines for threading and cutting pipe

    Joseph B. Eaton, Charles Latham

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12. 1876US182482A

    Tools / Trades

    Improvement in mandrels or cores for casting

    James M. Rohrer

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13. 1877US195583A

    Rail / Transportation

    Improvement in car-wheels

    W. Y. Cruikshank

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14. 1878US199890A

    Industrial / Mechanical

    Improvement in hydrant-valves

    Daniel Zuern

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15. 1878US200936A

    Mining / Coal

    Improvement in Coal-Drills

    James Joseph Rigney, William Hemingray

    A toothed, threaded tapering cylinder anchors in coal and supports and guides a screw-fed drill advanced by an adjustable crank and hinged nut.

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16. 1878US205793A

    Industrial / Mechanical

    Improvement in condensers for steam-engines

    John H. Gable

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17. 1878US206095A

    Tools / Trades

    Improvement in machines for cutting and threading pipe

    Joseph B. Eaton, Charles Latham

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18. 1878US210679A

    Consumer / Household

    Improvement in holders for wrapping-paper

    William H. Douty

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19. 1879US213401A

    Consumer / Household

    Improvement in removable book-covers

    William H. Douty, Charles H. Drake

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20. 1879US213402A

    Consumer / Household

    Improvement in removable book-covers

    Charles H. Drake

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21. 1879US213403A

    Consumer / Household

    Improvement in removable book-covers

    Charles H. Drake

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22. 1879US213404A

    Consumer / Household

    Improvement in removable book-covers

    Charles H. Drake

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23. 1879US215049A

    Consumer / Household

    Improvement in holders for paper bags

    William H. Douty

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24. 1879US215895A

    Consumer / Household

    Improvement in skids

    William H. Douty

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