Search for: "The Incandescent Lamp Patent" Results 1 - 20 of 37
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30 Aug 2010, 4:26 pm by blaisemouttet
http://ip.com/patent/US7781977Infrared emission can reduce the energy efficiency of incandescent lamps up to 70%. [read post]
20 Mar 2016, 11:52 am by Lawrence B. Ebert
Richards, EXPERIMENTATION AND PATENT VALIDITY: RESTORING THE SUPREME COURT'S INCANDESCENT LAMP PATENT PRECEDENT, 101 Va. [read post]
21 Mar 2016, 8:08 am by Lawrence B. Ebert
What I claim is- The design for incandescent electric lamps herein described and shown. [read post]
15 Sep 2011, 9:48 am by Gene Quinn
Furthermore, the Sawyer and Man lamps were not commercially viable, having only a few hours life, whereas Edison’s invention was the basis for a lamp with a hundred times longer useful lifetime: electric lighting became economic and it was Edison’s invention that unlocked the field after three decades of experimentation by others in incandescent lamps. [read post]
13 Mar 2016, 12:59 pm by Lawrence B. Ebert
Swan did win a patent fight in England, but that does not prove Swan's work was either simultaneous or competing.From a 2006 paper by LBE:The basic claim of Edison read: An electric lamp for giving light by incandescence, consisting of a filament of carbon of high resistance, made as described, and secured to metallic wires, as set forth. [read post]
5 Mar 2016, 9:57 am by Lawrence B. Ebert
The lamps experimented with at that time had operating life of only a fewhours as the carbon incandescent rods were consumed or had to be reattached often. [read post]
16 Mar 2016, 2:42 pm by Lawrence B. Ebert
Ed. 221 (1895) ,It is admitted that the lamp described in the Sawyer and Man patent is no longer in use, and was never a commercial success; that it does not embody the principle of high resistance with a small illuminating surface; that it does not have the filament burner of the modern incandescent lamp; that the lamp chamber is defective, and that the lamp manufactured by the complainant and put upon the market is substantially the Edison… [read post]
31 Jan 2017, 5:27 pm by Lawrence B. Ebert
The practical significance of these advantages were apparently missed by many lamp developers including Sawyer & Man, even years after Edison‘s patent issued, as they persisted in futile attempts to solve problems inherent only to thick carbon incandescent rods of low resistance that drew high currents and incurred high rate of erosion.26 A few years after Edison‘s patent issued Sawyer continued to insist that the resistance of the carbon… [read post]
30 Jan 2013, 7:34 am by John Presper
Bobel is the owner of the ‘540 patent, directed to reflector lamps with a florescent light source that are “electrically, mechanically, and optically compatible with incandescent or tungsten-halogen incandescent lamps. [read post]
16 Apr 2015, 2:38 pm by Lawrence B. Ebert
 Edison, which involved conflicting claims over the incandescent lamp. [read post]
19 Mar 2016, 10:55 am by Lawrence B. Ebert
Patent No. 223,898 ('898 Patent) recognized Thomas Alva Edison's "improvement in electric lamps," including a claim on "[a]n electric lamp for giving light by incandescence, consisting of a filament of carbon of high resistance, made as described, and secured to metallic wires, as set forth. [read post]
4 May 2007, 4:42 pm
Was a carbon filament "obvious to try" to generate incandescent light? [read post]
8 Mar 2007, 12:14 pm
Familiar products once protected by U.S. utility patents include Alexander Graham Bell's "improvement in telegraphy" (the telephone), the Wright brothers' "flying machine" and Thomas Edison's "incandescent lamp" (the light bulb). [read post]
22 Nov 2010, 5:38 pm by Vincent LoTempio
Edison earned patents for more than a thousand inventions, including: Incandescent Electric Lamp (PDF), Phonograph (PDF), Carbon Telephone Transmitter (PDF), and Electrical System for Automobiles (PDF). [read post]
22 Nov 2010, 5:38 pm by Vincent LoTempio
Edison earned patents for more than a thousand inventions, including: Incandescent Electric Lamp (PDF), Phonograph (PDF), Carbon Telephone Transmitter (PDF), and Electrical System for Automobiles (PDF). [read post]
3 May 2008, 1:27 pm
In the 1890s, Gerard Philips, unhampered by intellectual property laws, started manufacturing the incandescent lamps developed by Thomas Edison in the United States. [read post]
19 Dec 2013, 11:39 am by Jason Rantanen
Teleflex, 550 U.S. 398 (2007)The Incandescent Lamp Patent case, 159 U.S. 465 (1895)Phillips v. [read post]
6 Mar 2018, 11:45 am by Michael Risch
Now, there is an argument that the claim is so broad that Newman didn't enable every device claimed (as in the Incandescent Lamp case), but that's not what the board was describing. [read post]
6 Mar 2018, 11:45 am by Michael Risch
Now, there is an argument that the claim is so broad that Newman didn't enable every device claimed (as in the Incandescent Lamp case), but that's not what the board was describing. [read post]
6 Mar 2018, 11:45 am by Michael Risch
Now, there is an argument that the claim is so broad that Newman didn't enable every device claimed (as in the Incandescent Lamp case), but that's not what the board was describing. [read post]