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Top 20 Key Players companies in Geothermal energy
by Most Patent Citation in the Germany in 2018

The Geothermal energy top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Citation Geothermal energy Key Players in the Germany. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2018, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Geothermal energy is thermal energy generated and stored in the Earth. Thermal energy is the energy that determines the temperature of matter. The geothermal energy of the Earth's crust originates from the original formation of the planet and from radioactive decay of materials (in currently uncertain but possibly roughly equal proportions). The geothermal gradient, which is the difference in temperature between the core of the planet and its surface, drives a continuous conduction of thermal energy in the form of heat from the core to the surface. The adjective geothermal originates from the Greek roots γη (ge), meaning earth, and θερμος (thermos), meaning hot.
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Company Name
Region
Tech Topics
Total
1
patent citation: 28
2
Klett - Ingenieur GmbH
patent citation: 27
3
patent citation: 24
4
patent citation: 12
5
DEIG Energietechnik-Insumma GmbH
patent citation: 11
6
HAMOJA Invest GmbH
patent citation: 11
7
patent citation: 9
8
patent citation: 9
9
patent citation: 7
10
patent citation: 7
11
Institutional Venture & Equity Capital AG
patent citation: 7
12
patent citation: 6
13
patent citation: 6
14
Akatherm FIP GmbH
patent citation: 6
15
Sales management,Product design,Automotive engineering,
...[+2]
patent citation: 5
16
Handke Brunnenbau GmbH
patent citation: 4
17
patent citation: 4
18
patent citation: 3
19
patent citation: 3
20
Wilhelm Fenners Baugesellschaft mbH
patent citation: 3
Page generation time: May 31 2025