COURTS OF THE UNITED STATES FOR THE SAME PERIOD:

COMPILED AND PUBLISHED UNDER THE DIRECTION OF

EDMUND BURKE,

COMMISSIONER OF PATENTS.

WASHINGTON:

PRINTED BY J. & G. S. GIDEON.

1847.

CLASS 1. Agriculture, including Instruments and Operations

CLASS 2. Metallurgy and Manufacture of Metals, and Instruments therefor

CLASS 3. Manufactures of Fibrous and Textile Substances, including Machines for

preparing Fibres of Wool, Cotton, Silk, Fur, Paper

CLASS 4. Chemical Processes, Manufactures, and Compounds, including Medicine,

Dying, Color making, Distilling, Soap and Candle making, Mortars,

Cements, &c.

-

39

67

99

123

151

CLASS 5. Calorific, comprising Lamps, Fireplaces, Stoves, Grates, Furnaces for

heating Buildings, Cooking Apparatus, Preparation of Fuel

CLASS 6. Steam and Gas Engines, including Boilers and Furnaces therefor, and

parts thereof

CLASS 7. Navigation and Maritime Implements, comprising all Vessels for convey-

ance on water, their Construction, Rigging, and Propulsion; Diving

Dresses, Life Preservers

167

183

CLASS 8. Mathematical, Philosophical and Optical Instruments, including Clocks,

Chronometers

CLASS 9. Civil Engineering and Architecture, comprising works on Rail and Com-

mon Roads, Bridges, Canals, Wharves, Docks, Rivers, Wiers, Dams,

and other Internal Improvements, Buildings, Roofs

CLASS 10. Land Conveyance, comprising Carriages, Cars, and other Vehicles used

on Roads, and parts thereof

CLASS 11. Hydraulics and Pneumatics, including Water-wheels, Wind-mills, and

other Implements operated on by Air or Water, or employed in Rais-

ing and Delivery of Fluids

CLASS 12. Lever, Screw, and other Mechanical Power, as applied to Pressing,

Weighing, Raising, and Moving Weights

CLASS 13. Grinding Mills and Mill-gearing, containing Grain Mills, Mechanical

Movements, and Horse Powers

CLASS 14. Lumber, including Machines and Tools for Preparing and Manufacturing,

such as Sawing, Planing, Mortising, Shingle and Stave, Carpenters'

and Coopers' Implements

191

205

219

239

249

265

CLASS 15. Stone and Clay Manufactures, including Machines for Pottery, Glass-

making, Brick-making, Dressing and Preparing Stone, Cements, and

other Building Materials

285

CLASS 16. Leather, including Tanning and Dressing, Manufacture of Boots, Shoes,

Saddlery, Harness

293

CLASS 17. Household Furniture, Machines and Implements for Domestic Purposes,

including Washing Machines, Bread and Cracker Machines, Feather

Dressing

307