Annual Report of the Commissioner of Patents

Caviar, manufacture of..
Cements, for grinding, cylinders..
Compounds, lubricating....
Drying and oxydizing colored goods.
Dyeing blue, processes for...
Dyeing door mats.
Gas, illuminating, purifying..
Gutta percha hollow ware.
Gutta percha, tubing and covering wire, ma-

chines for....
India rubber, manufacture of.
India rubber, manufacture of..
India rubber, manufacture of..
Mashing tubs
Oil from rosin, lubricating.
Oil from rosin, tanners'.
Paint, manufacture of..

Rob. G. Westacott, assignor to West-
accott, Lombard & Lombard
Jacob Stephan, assignor to P. Augustus

Scwaze and Jacob Stephan...
Jacob Selgrath....
James C. Kempten....
Edward Swiney....
Reubeu Shaler
Florentine J. de Cavailon..
Samuel T. Armstrong.
James Reynolds..
Jonathan T Trotter...
Pavid McCurdy
Nelson Goodyear
Joseph Wright..
L. S. Robins..
L. S. Robins..
G. F. de Douchet..

Worcester, Mass.; Boston, Mass.... Jan. 7, 1851.
Boston, Mass...

Oct. 28, 1851.
Pottsville, Pa...

June 24, 1851.
Manyunk, Philadelphia co , Pa.. Sep. 2, 1851.
Andover, Mass...

Nov. 4, 1851.
Madison, New Haven, Conn... July 22, 1851.
Paris, France.

May 6, 1851.
New York, N. Y..

June 24, 1851.
New York, N. Y.

April 22, 1851.
New York, N. Y..

Jan. 1, 1851.
Newark, N.J...

April 1, 1851.
New York, N. Y..

May 6, 1851.
Waterloo, Seneca co., N. Y.

June 24, 1851.
New York, N. Y..

Nov. 4, 1851.
New York, N. Y..

Nov. 4, 1851.
Paris, France....

Sep. 9, 1851; English
patent dated June 1,
1850 ; French patent

dated Oct. 5, 1850.
Marseilles, France; New York, N. Y... Aug. 5, 1851; Eng: pat-

ent-dated Nov. 3, 1846.
New York, N. Y..

Nov. 4, 1851.
New Haven, Conn.

Mar. 4, 1851.
Scott's house, England.

Aug. 12, 1851; Eng. pat

ent datent Feb. 14, 1849.
New York, N. Y..

Sept. 16, 1851.
Poughkeepsie, N. Y

June 10, 1851.
Brooklyn, N. Y..

Nov. 25, 1851.
New York, N. Y...

Oct. 21, 1851.
Boston, Mass.

Oct. 28, 1851.

V.-Classified list of putents, Sc.-Continued.

CLASS V.— Calorific, comprising lamps, fireplaces, stoves, grates, furnaces for heating buildings, cooking apparatus, pre

paration of fuel, Sc.

Oct. 28, 1851.
Jan. 1, 1851.
Dec. 16, 1851.
Nov. 4, 1851.
Dec. 16, 1851.
May 27, 1851.
Oct. 7, 1851.
Nov. 4, 1851.
May 20, 1851; in Eng-

land Dec. 28, 1848.
July 22, 1851.
May 20, 1851.
Aug. 5, 1851.
In Canada Jan. 31, 1851;
in America May 20, '51.
Oct. 14, 1851.
Dec. 9, 1851.
April 15, 1851.
Nov. 18, 1851.
Aug. 5, 1851.
Oct. 14, 1851.
Feb. 4, 1851.
Aug. 26, 1851.
Oct. 14, 1851.
Jan. 14, 1851.
June 10, 1851.

7, 1851.
Nov. 4, 1851.
Aug. 19, 1851.
Feb. 25, 1851,

Steam tráps.
Stoves.....
Stoves..
Stoves...
Stoves...
Stoves..
Stoves, air-heating

Stoves, air-heating.
Or Stoves, airtight, Franklin.

Stoves, coal..
Stoves, cooking
Stoves, cocking
Stovez, cooking
Stores, cooking
Stoves, cooking
Stoves, cooking
Stoves, cooking
Stoves, cooking
Sioves, ccoking
Stoves, cooking
Stoves, cooking
Stoves, dairy
Stoves, double oven.
Stoves, folding doors of.
Stoves, grate bars....
Stoves, parlor, cooking..
Stoves, with portable ovens.
Ventilating and excluding dust from railroad cars.
Ventilators...

Charles M. Guild and John Brown
George H. Thatcher.
Elihu Smith.
Gardner Chillson,
Elisha Vance....
Hale R. Rose..
Gordon Williston
Charles A. Bogart.
Rensselaer D. Granger
James Shields and Samuel Pierce.
Bachus A. Beardsley
William Sours.
James Green and Rufus J. King.
Rufus K. Paine...
James J. Marsh....
Dennis J. Littlefield..
Charles W. Grannis.
Elias Young .....
Hosea H. Huntly
Hosea H. Huntly.
George W. Carleton.
Joel Števens & H. J. Ruggles.
C. Harris & P. W. Zoiner....
James Root.
George W. Gardner.
N. A. Boynton...
George H. Thatcher.
Ransom Cook.
Thatcher C. Hatch.

New York, N. Y
Albany, N. Y.
Albany, N Y....
Boston, Mass
Cincinnati, Ohio.
Guilford, Vt.
Charlestown, Mass........
West Dresden, Yates county, N. Y..
Albany, N. Y.....
New York, N. Y.; Troy, N. Y.
Waterville, N. Y.
Mount Jackson, Va..
Dayton, Ohio.
Cincinnati, Ohio..
Lewisburg, Pa...
Lowell, Mass....
Gowanda, N. Y..
Cincinnati, Ohio..
Cincinnati, Ohio..
Cincinnati, Ohio.....
Brunswick, Cumberland county, Me..
West Pouliney, Vt.....
Cincinnati, Ohio.....
Cincipati, Ohio....
Albany, N. Y.
Boston, Mass.
Albany, N. Y...
Saratoga Springs, N. Y.
South Braintree, Mass.

May 20, 1851.
Jan. 21, 1851.
Jan. 28, 1851.
Sept. 16, 1851.
Oct. 14, 1851.
Nov. 18, 1851.
Oct. 14, 1851.
Oct. 21, 1851.
Mar. 11, 1851.
Jan. 7, 1851.
Feb. 4, 1851.
Feb. 25, 1851.
Mar. 11, 1851.
April 8, 1851,
April 15, 1851.
April 15, 1851.
April 22, 1851.
June 17, 1851.
Aug. 19, 1851.
Nov. 25, 1851.
Nov. 25, 1851,
Oct. 28, 1851.
Sept. 2, 1851.
Nov. 4, 1851.
Nov. 18, 1851.
July 22, 1851.
July 29, 1851.
Aug. 19, 1851.
June 17, 1851.

V.- Classified list of patents, &c.—Continued.

Class VI.-Steam and gas engines, including boilers and furnaces therefor, and parts thereof.

Inventions

discoveries,

Patentees.

Boilers, apparatus for steam..

J. & J.J. G. Collins........
Boilers, &c., steam apparatus for indicating the
height of water in......

George Faber.
Boilers, method of tracing the water spaces of ... Bernard O. Neill.
Boilers, revolving

Charles Anderson.
Boilers, revolving...

Wiliam Scott.....
Boiler, steam, annular.

Thomas Champion....
Boilers, steam, arrangement of the flues and
water spaces of......

William E. Milligan.
Boilers, steam, insulated fusible plug for. E. H. Ashcroft..
Boilers, steam, water gauge for.....

A. S. Lyman........
Boiler tubes, &c., spring expanding guage for.... James McCarty......
Crank indicator, arrangement of machinery for
actuating the...

Samuel B. Hutchins..
Cut-off, adjustable.

Samuel H. Gilman...
Cut-off, gear...

George H. Corliss......
Cut-off, variable, regulated by the governor. Henry Waterman.
Engine, air....

John Ericsson......

heated and expanded by admixture therewit

Nov. 11, 1851.

Feb. 4, 1851.
Feb. 4, 1851.
May 6, 1851.
April 15, 1851.
July 1, 1851.
Mar. 25, 1851.

Jan. 1, 1851.

Class VII.-Navigation and maritime implements, comprising all vessels for conveyance on water, their construction,

rigging, and propulsion, diving dresses, life-preservers, &c.

Date of patent.

Boats to facilitate the discharge of cargo, and fittings for.

• Handlog...

Georgetown, D. C.

July 29, 1851.

William H. Bryan...
John R. St. John, assignor to James

Renwick, Geo. T. Barnard, and E.
B. St. John, trustees of the St. John
Compass and Log Company..

New York, N.Y..

May 6, 1851; in Europe

Dec. 27, 1850.
Jan. 21, 1851.
June 17, 1851.
Jan. 21, 1851.
Nov. 18, 1851.
Oct. 7, 1851.
Dec. 2, 1851.

J. S. Stover ...

Erwenna, Bucks co., Pa....

Kilns, grain.....
Packing of rotary engines, method of adjusting

the ...
Power, motive, method of obtaining.
Spark-arresters
Steam enginee........
Steam engine, arrangement of the..
Valves, balanced.
Valve side, method of connecting the, with the

rock.shaft......

Henry G. Thompson........

New York, NY.
William Mt. Storm

Troy, N. Y
James A. Cutting...

Philadelphia, Pa..
Rich'd. F. Loper & John W. Nystrom. Philadelphia, Pa..
Frederick P. Dimpfel.

New York, N. Y..
Francis B. Stevens....

New York, N. Y..

Samuel H. Gilman......

Cincinnati, O.

Inventions or discoveries.

Patentees.

Residence.

Lee-way indicator....
Masts and spars, telescopic connection of
Propeller..
Propeller screw.
Propeller, the endless chain.
Prorelling and steering, apparatus for.
Rudder, apparatus for relieving the helmsman

from the shock of.....
Rudder, balanced.
Rudders, method of operating

A. A. Wilder.
Charles F. Brown.
Ambrose W. Thompson.
Gaspard Malo.
Charles Frederick Fisher.
John C. fr. Salomon.

Detroit, Michigan.
Warren, R. I.
Philadelphia, Pa..
Dunkirk, France..
New Orleans, La..
Cincinnati, O......

Chandos Hoskins..

New Orleans, La..
Charles F. Brown,

Warren, R. I..
Thos. H. Mortimer & Jas. M. Gardner. Charleston, S. C.,,

May 13, 1851.
June 10, 1851.
Nov. 25, 1851; French

patent dated Jan. 11,
1851,

Grāmatas