What post bar did America invent?

Question 1: What did Americans invent? Aircraft, fast food, supermarkets, democracy, Internet, transistors, collective circuits, telephones, mobile phones, minimally invasive surgery, lasers, optical fibers, copiers, 3D printers, vacuum tubes, air guns, night vision goggles, electric fans, fanless electric fans, washing machines, Microsoft DOS software and materials. If you want to know more, you have to look at American patent records.

Question 2: What did Americans invent? What did China invent? 5 points China gunpowder American atomic bomb

China compass American satellite navigation and positioning

China Paper American Computer Company

China Movable Type Printing American 3D Digital Images

Four great inventions of China

Four Great Inventions of America

China invented the "literary inquisition" in the Qing Dynasty, and the United States invented the "freedom of public opinion" a hundred years later! ? .

Question 3:/kloc-What did the United States invent at the end of 0/9 and the beginning of the 20th century? /kloc-at the end of 0/9 and the beginning of the 20th century, the United States became powerful. Even at the beginning of the 20th century, the United States surpassed the established capitalist powers such as Britain and France in some aspects. What makes America strong in this era? I think there are two main reasons: social economy and physical geography.

The reasons of social economy and physical geography are interactive and contribute to the strength of the United States. Socio-economic reasons include social system, political and economic system, industrial revolution and various policies and socio-economic environment of economic development. Physical geography is the geographical position, land and resources of the United States.

Edison invented the "light bulb"; Morse invented the "wired telegraph"; Bell invented the "wired telephone"; The Wright brothers invented the airplane.

In fact, the most important things are Edison's direct current, Tesla's alternating current, Tesla's electric circle that has shocked me so far, and wireless capability transmission technology. As for other radios, it's this man's little invention.

Question 4: Why are Americans so smart and have invented so many practical things? Hello.

Your question is very good.

It is worth pondering.

Discuss from several aspects.

First of all, the family education of China people,

Second. Environmental impact.

Third. Personality considerations,

Fourth, the social environment.

Fifth, study policy.

Let's compare it with foreign people.

Foreigners are free. The pressure is not great. Humorous and cheerful personality. Living conditions and environment are much better than ours.

Education is also more open than ours.

There is also the spirit and courage to be good at inventing and exploring the unknown and to be brave in trying.

Perseverance is the most important thing.

People in China are relatively comfortable.

I don't have the courage and guts.

So ambitious.

Let it be. Most people are closed and numb by reality.

It seems that people in China can only imitate and upgrade.

Otherwise, there wouldn't be so many fakes emerging one after another.

So sad!

Good luck!

Question 5: What were the major inventions of the United States during the two industrial revolutions? The first industrial revolution:

At the end of 18, Americans copied Jenny's spinning machine (weaver Hager Rivaz 1765). Soon the cotton gin was invented.

Fulton steamship 1807

1800, Evans of the United States first invented the high-pressure steam engine.

The second industrial revolution:

Bell (USA, from England)-Telephone

Morse (USA)-Cable Telegram

Nicholas? Tesla (Serbian-American)-1897 Patent on Radio Technology) Note: 1943 Marconi's patent was revoked.

1903, the Wright brothers in America invented the airplane.

Question 6: What is the answer invented by American scientist Bell? American scientist Bell invented the telephone.

Alexander? Graham. Alexander Graham Bell (1847-1922) is an American (British-born) inventor and entrepreneur. He invented the first available telephone in the world and founded Bell Telephone Company. Known as the "father of the telephone" by the world. Bell 1847 was born on March 3rd in Edinburgh, Scotland, England, where he received primary education. Bell 1870 immigrated to Canada and arrived in the United States one year later. 1882 American citizenship. Bell's major achievement in Canada was the invention of the telephone. In addition, he also made hearing AIDS; Improved the phonograph invented by Edison; He made great contributions to the invention of deaf-mute language.

Question 7: Why is everything invented by Americans? Computers, mobile phones, tablets and so on. It's all wrong Automobile windshield, automobile safety belt, ball bearing, Bluetooth, etc. It was invented by Swedes. Every country has its own inventions, but it is often said that it is the United States. China's innovation has made some achievements in high-speed rail, but there is no denying that China lacks innovation.

Question 8: How to tell whether an American patent is an invention or a utility model? There is no utility model in the United States, and the types of patents in the United States are invention patents, design patents and plant patents.

Invention patent: Only functional inventions can apply for invention patents. Inventions that can be applied include: the location of processes, machines, manufactured goods and substances. Among them, the program can be the method or new use of the above invention. The protection period is 20 years from the date of application.

Design patent: You can apply for a new design patent as long as it is a design. The scope of protection of a design patent is mainly limited to the appearance of the goods shown in the patent. Because opponents can easily evade new style patents by changing the design, the protection scope of the design patent is narrower than that of the invention patent. The protection period is 14 years from the date of authorization.

Plant patents: new varieties propagated asexually are protected by plant patents, but tubers and tuber plants are not included. The term of protection is 20 years from the date of application.

Question 9: Does the American patent need the inventor as the applicant? By default, the patent application right in the United States belongs to the inventor. Where an application is made by an enterprise, a letter of transfer of the right to apply for a patent is required.

Question 10: Who was the inventor of the first world-recognized practical airplane in the United States? The Wright brothers in the United States are recognized as the inventors of the first practical airplane in the world.

Wilbur? Wright wilbur wright (1867.4.16-1912.5.6438+02) and Orville? Wright Orville Wright (1871.8.19 ―1948.5438+0.30).

1903 12 17 They built a completely controlled plane, which has external power, is heavier than air, and keeps stuck in the air. This is the "first plane in the world".