Journal of the Franklin InstituteFranklin Institute, 1853 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Results 6-10 of 100
Page 106
... Screw Blanks in the same Machine ; Culley Whipple , Assignor to the New England Screw Company , Providence , Rhode Island ; ante - dated October 16 , 1852 . Claim . " I desire it to be understood that I do not here claim the broad idea ...
... Screw Blanks in the same Machine ; Culley Whipple , Assignor to the New England Screw Company , Providence , Rhode Island ; ante - dated October 16 , 1852 . Claim . " I desire it to be understood that I do not here claim the broad idea ...
Page 162
... Screw Cutting Dies ; John Griffiths , Philadelphia , Pa . Claim .- " What I claim as my invention is , the circular die with an offset , which makes a cutting edge , which is held in position by a bolt and screw nut , the threads ...
... Screw Cutting Dies ; John Griffiths , Philadelphia , Pa . Claim .- " What I claim as my invention is , the circular die with an offset , which makes a cutting edge , which is held in position by a bolt and screw nut , the threads ...
Page 164
... screw , and there- by causing the cutter to advance or expand simultaneously with the operation of cutting or drilling . What I claim is , the combination of the inclined cutter , with a screw cut thereon , bevel screw pinion , or its ...
... screw , and there- by causing the cutter to advance or expand simultaneously with the operation of cutting or drilling . What I claim is , the combination of the inclined cutter , with a screw cut thereon , bevel screw pinion , or its ...
Page 166
... Screw Wrench ; George B. Read , City of New York . " The nature of my invention consists in having the shank of the adjustable jaw pass through a recess in the stationary jaw , which is attached by a pivot to the end of the wrench stock ...
... Screw Wrench ; George B. Read , City of New York . " The nature of my invention consists in having the shank of the adjustable jaw pass through a recess in the stationary jaw , which is attached by a pivot to the end of the wrench stock ...
Page 175
... screw pro- peller , compared with the paddle wheel , was its inability to proportionally maintain the speed of the vessel against head winds and seas ; in other words , that the difference between the speeds of the screw vessel in going ...
... screw pro- peller , compared with the paddle wheel , was its inability to proportionally maintain the speed of the vessel against head winds and seas ; in other words , that the difference between the speeds of the screw vessel in going ...
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acid alumina apparatus applied arrangement Assignor axle beam blast boiler carbon carbonic acid cast iron cause cent centre centum chamber Claim.-"What I claim coal colors combination condensation connexion construction cutter cylinder diameter effect engine equivalent evaporated experiments feet fire box flues frame Franklin Institute furnace fusel oil gases glass heating surface hour hydrochloric acid Improvement increase india rubber indicator diagrams invention consists Journal length letters patent lever locomotive machine machinery manner manufacture means mechanical metal miles minute mode motion mould nitric acid obtained operation oxide pass patent Pennsylvania Philadelphia pipe piston pitch placed plate portion pounds present pressure produced proportion purpose quantity railway rollers screw shaft side silica slide speed spring square inch steam Stove stroke substantially as described temperature tion train tubes valve vertical vessel weight wheel wrought iron York