Top 20 Key Players companies in Scramjet by Most Patent Citation in the world in 2019 – Discovery

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The Scramjet top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Citation Scramjet Key Players in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2019, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.

A scramjet (supersonic combustion ramjet) is a variant of a ramjet airbreathing jet engine in which combustion takes place in supersonic airflow. As in ramjets, a scramjet relies on high vehicle speed to compress the incoming air forcefully before combustion (hence ramjet), but whereas a ramjet decelerates the air to subsonic velocities before combustion, the airflow in a scramjet is supersonic throughout the entire engine. That allows the scramjet to operate efficiently at extremely high speeds.

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Ranking:

1	The Boeing Co.	Illinois, United States	Aerospace,Satellite,National security, ...[+2]	patent citation: 146
2	General Electric Co.	Massachusetts, United States	Energy management,Turbine,Electronics, ...[+2]	patent citation: 143
3	United Technologies	Connecticut, United States	Aerospace,Public transport,Building automation, ...[+2]	patent citation: 91
4	United-Tech, Inc.	Oklahoma, United States	Yeast,Telecommunications,Chemical treatment, ...[+2]	patent citation: 91
5	Aerojet Rocketdyne, Inc.	California, United States	Aerospace,National security,Missile, ...[+1]	patent citation: 35
6	Rockwell International Corp.	Wisconsin, United States	Automation,Computer hardware,Electronics	patent citation: 18
7	Rolls-Royce North American Technologies, Inc.	Indiana, United States	Aerospace,Missile,Spacecraft, ...[+2]	patent citation: 16
8	Jansen's Aircraft Systems Controls, Inc.	Arizona, United States	Mechanical engineering	patent citation: 15
9	REACTION SYSTEMS	Colorado, United States	Leading edge,Mechanical engineering,Chemical engineering	patent citation: 10
10	Aerojet Rocketdyne of DE, Inc.	California, United States	Aerospace,Organic chemicals,National security	patent citation: 8
11	Northrop Grumman Systems Corp.	Virginia, United States	National security,Aerospace,Military technology, ...[+1]	patent citation: 7
12	Sonic Blue Aerospace, Inc.	Maine, United States	Aerospace,Intellectual property,Power transmission, ...[+1]	patent citation: 6
13	Lockheed Martin Corp.	United States	National security,Aerospace,Network security, ...[+2]	patent citation: 5
14	HYUNDAI ROTEM Co.	Gyeonggi-do, South Korea	Rapid transit,Mechanical engineering,Manufacturing engineering, ...[+2]	patent citation: 4
15	Société Européenne de Propulsion	Île-de-France, France	National security,Aerospace,Turbine	patent citation: 4
16	Southwest Sciences, Inc.	New Mexico, United States	Magnetometer,Atmospheric chemistry,Avionics, ...[+2]	patent citation: 4
17	Institute of Mechanics, Chinese Academy of Sciences	Beijing Shi, China		patent citation: 2
18	Raytheon Co.	Massachusetts, United States	Missile,National security,Aerospace, ...[+2]	patent citation: 0
19	STARTUP Innoveering LLC	New York, United States	Aerospace,Wireless sensor network,Industrial engineering, ...[+2]	patent citation: 0
20	Société Nationale Industrielle Aérospatiale SA	France	Aerospace,National security,Missile, ...[+1]	patent citation: 0