There have been about 1,000 patents granted for bridges, about 2,500 for excavating apparatus, and about 1,500 for hydraulic engineering. Edward W. Byrn.十九世纪发明进展.
He was determined to make a fortune out of cotton-spinning, and he did, in spite of the loss of his patents, and the rivals who were always pursuing him. 鲁伯特·萨金特·荷兰.历史性发明.
From that time until 1865 many patents were granted, none of which may be considered successful. 佚名.神奇的知识之书.
Specifications had been drawn, and I had signed and sworn to the application for patents for these seventy-eight inventions, and naturally I supposed they had been filed in the regular way. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Some of Edison's most remarkable inventions are revealed in a number of interesting patents relating to the duplication of phonograph records. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Phelps, another investigator, who had been experimenting along the same lines and had taken out several patents. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Nearly 5,000 United States patents have been granted in the class of weaving. Edward W. Byrn.十九世纪发明进展.
The Holly converter, covered by United States patents No. 86,303, and No. 86,304, January 26, 1869, represented one of the most important American developments of the Bessemer converter. Edward W. Byrn.十九世纪发明进展.
See United States patents No. 429,467 and 429,468, June 3, 1890, and No. 500,411, June 27, 1893. Edward W. Byrn.十九世纪发明进展.
Wood-working implements in which the cutting tool was carried by a sliding block were described in the English patents of General Sir Samuel Bentham and Joseph Bramah, in 1793-94. 威廉·亨利·杜利特.世纪发明.
He spent a fortune, but his patents were not renewed, and competition was thrown wide open. 鲁伯特·萨金特·荷兰.历史性发明.
These patents may be roughly tabulated as follows: Incandescent lamps and their manufacture. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
About 300 patents have been granted for artificial legs and arms. Edward W. Byrn.十九世纪发明进展.
Within the last forty years nearly two hundred patents have been taken out in the United States alone for machines for making horseshoes. 威廉·亨利·杜利特.世纪发明.
In February of 1897 the receiver sold the three Field patents to their original owner, and he in turn sold them to the Westinghouse Electric and Manufacturing Company. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Edison confesses that he has never made a cent out of his patents in electric light and power--in fact, that they have been an expense to him, and thus a free gift to the world. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Later he took English patents on a machine for spinning flax, and on a new device for twisting hemp rope. 鲁伯特·萨金特·荷兰.历史性发明.
While the benefits derived were not directly pecuniary in their nature, they were such as tended to strengthen commercially the position of the rightful owners of the patents. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
And this is right in one sense, as the laws of all countries in respect to protection by patents for inventions are based upon the primary condition of benefit to society. 威廉·亨利·杜利特.世纪发明.
Sir Richard Webster, now Chief-Justice of England, was my counsel, and sustained all of my patents in England for many years. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Arkwright built a mill there in 1780, and it prospered exceedingly, in spite of the fact that he no longer had the protection of his patents. 鲁伯特·萨金特·荷兰.历史性发明.
Besides the Sholes patents, it embodies the improvements covered by patents to Clough & Jenne, No. 199,263, Jan. Edward W. Byrn.十九世纪发明进展.
About 1797, some Englishman began to make water-proof varnish from it, and to take out patents for the same. 威廉·亨利·杜利特.世纪发明.
For years his name was branded on every Bell telephone set, and his patents were a mainstay of what has been popularly called the Bell monopoly. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
The Burleigh drill was brought out in 1866, and was covered by patents Nos. Edward W. Byrn.十九世纪发明进展.
In the patents of Sir Waiter Raleigh, to the London and Plymouth companies, to the council of Plymouth, etc. 亚当·斯密.国富论.
Nearly 5,000 patents have been granted in the United States for firearms, and about 2,400 for projectiles. Edward W. Byrn.十九世纪发明进展.
Watt’s patents of 1769 and 1784 contemplated the application of his steam engines to carriages running on land. Edward W. Byrn.十九世纪发明进展.
A saw which planes, as well as severs, is shown in patents to Douglass, Nos. Edward W. Byrn.十九世纪发明进展.
After I had made a great number of inventions and obtained patents, the General seemed anxious that the matter should be closed up. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.