The Antique Wrench Patent Archive

Every grip the nineteenth century took on a nut

19th century tool

Patent drawing of a 19th-century pipe wrench showing a long bent bar with a hinged toothed jaw, sliding collar, adjustment screw, and small detail views of the spring-loaded pin and wedge mechanism.WRENCHGeorge B. Phillips · May 28, 1861Patent drawing of a 19th-century pipe wrench showing five views: two side elevations with toothed jaws and a curved pivoting claw, a rear view of the split prongs, a cross-section revealing the internal spring mechanism, and a final view of the wrench clamped onto a pipe.IMPROVED PIPE-WRENCH.James R. Brown · October 18, 1864Patent drawing of a 19th-century adjustable monkey wrench showing the fixed jaw, tapering wedge-shaped body with a central slot, and a sliding movable jaw secured by a screw, illustrated in four figures labeled Fig. 1 through Fig. 4 with lettered parts A through H.IMPROVEMENT IN WRENCHESHoward Tilden · January 5, 1869Patent drawing of a wrench with a rack-toothed bar, a sliding jaw held by a spring-loaded pawl, and an adjusting screw at the base of the jaw, alongside sketches of alternate jaw and nut shapes.IMPROVEMENT IN WRENCHES.Frank Leo Delfer · November 26, 1872Two side-by-side technical drawings of a screw wrench: Fig. 1 shows the exterior profile with a rounded head and tapered handle, and Fig. 2 shows a cross-section revealing the internal shank, hollow handle, adjusting nut, and set-screw mechanism.IMPROVEMENT IN WRENCHESJames B. Weeden · March 11, 1873A patent drawing showing a side view of a screw-wrench with a wide stationary jaw at top, a movable jaw with clasp-bearings sliding on a reinforced bar, a knurled rosette and threaded screw mechanism in the middle, a ferrule collar, and a tapered wooden handle at the bottom.SCREW-WRENCHJohn H. Coes · December 28, 1875Patent drawing of a pipe-tong wrench showing a curved hooked link, a long lever handle with a threaded shank, and a knurled adjusting screw with a ball-shaped knob used to set the pinching point against a pipe.IMPROVEMENT IN PIPE-TONGSWilliam Lomas · August 14, 1877Patent drawing of a pipe wrench showing a long wooden handle attached to a shank with a fixed toothed jaw and an adjustable sliding bar bearing a spring-mounted wedge-shaped jaw, with a cutaway section revealing the internal ratchet and spring mechanism.IMPROVEMENT IN PIPE TONGS OR WRENCHES.Edward B. O'Kelly · August 28, 1877Patent drawing of a 19th-century monkey wrench showing a handle with a fixed jaw, a sliding movable jaw, and a curved cam lever used to lock the jaw in place, with additional cross-section details of the jaw slot and grooves.IMPROVEMENT IN WRENCHESJohn M. Marty · September 10, 1878Patent drawing of a pipe wrench with a long curved handle, a fixed hook-shaped jaw at the lower end, and a pivoting outer jaw with teeth that closes around a pipe, shown in four figures illustrating open and closed positions.PIPE-WRENCH.David C. Johnston · September 6, 1898