The Beehive & Bee Equipment Patent Archive

The patented pursuit of the perfect hive

Centrifugal extractor

Patent drawing showing a circular top-view gear-driven rotating frame (Fig. 1) above a side-section view (Fig. 2) of a barrel-shaped tub containing a wire-gauze comb holder suspended from a central spindle, with a simple rectangular comb frame shown separately below.IMPROVED APPARATUS FOR EXTRACTING HONEY FROM THE COMBL. L. Langstroth and S. Wagner · January 15, 1867Patent drawing of a cylindrical honey-extractor tank with a crank-operated central shaft turning an inclined wire-mesh basket that holds honeycomb frames, with a discharge faucet at the base.IMPROVEMENT IN CENTRIFUGAL HONEY-EXTRACTORSCharles F. Muth · September 24, 1878Patent drawing of a centrifugal honey extractor showing a tall cylindrical vessel with an internal spinning basket holding wire-mesh comb frames on swinging arms, driven by a crank-operated bevel gear at the top, alongside a plan view of the six-armed rotor and a detail of one comb-holder.IMPROVEMENT IN CENTRIFUGAL HONEY-EXTRACTORS.George Warren Williams · October 7, 1879Patent drawing of a cylindrical centrifugal honey extractor showing a hand-cranked vertical shaft turning a rectangular skeleton frame with hinged wire-cloth comb baskets swinging outward, plus a top view of the four-armed rotating basket assembly and a side view of a honeycomb frame.CENTRIFUGAL HONEY-EXTRACTOR.George W. Stanley · September 23, 1884A cutaway perspective drawing of a cylindrical honey extractor showing an internal polygonal wire basket with hinged comb pockets around a central rotating shaft, plus a plan view from below showing the pulley and cord linkage connecting the pockets.CENTRIFUGAL HONEY-EXTRACTOR.Oliver Perry Squier · December 9, 1884Patent drawing of a centrifugal honey extractor showing a cylindrical vessel with a rotating frame holding wire-mesh comb-holders, gear and sprocket-chain drive mechanism, and a crank handle for reversing rotation.CENTRIFUGAL HONEY-EXTRACTOR.Charles Wesley Metcalf · March 22, 1892Patent drawing of a cylindrical centrifugal honey extractor showing a vertical cross-section with comb holders and a horizontal cross-section revealing the gear and rack mechanism for reversing the holders.CENTRIFUGAL HONEY-EXTRACTOR.Florance Williams · November 15, 1892Patent drawing of a hand-cranked centrifugal honey extractor showing a barrel-shaped vessel with a rotating frame holding wire-netting comb baskets, gears, sprocket chains, and a crank handle on top.CENTRIFUGAL HONEY-EXTRACTOR.Charles W. Metcalf · November 22, 1892Patent drawing showing a centrifugal honey extractor with a tall cylindrical vessel, a hand-crank mechanism at top, internal shafts and comb baskets connected by belts to a central reversing pulley, and two circular plan views showing the diamond-shaped drum and basket arrangement.CENTRIFUGAL HONEY-EXTRACTOR.Oscar Melvan Hill · March 28, 1893