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Invention analysis

Solar energy. Dual-axis trackers. Patent Analysis

27.03.2023

Earlier, we have revised several subjects related to Concentrated solar power technologies, including solar energy storage technologies (05.06.2022 and 09.01.2023), solar tracking systems in general (20.06.2022) and single-axis tracking systems (22.12.2022). In this article we will analyze patents published in the past 20...

Unconventional oil. Waste processing in steam-assisted production. Patent Analysis

15.03.2023

Previously, in a series of articles concerning enhanced oil recovery in general and steam-assisted enhanced oil recovery (EOR) technology in particular, we have revised such topics as chemical stimulation (18.04.2022), gas injection or water flooding (09.05.2022), steam injection (06.08.2022), SAGD approach (06.12.2022), Steam...

Biomass gasification. Pre-treatment of feedstock. Patent Analysis

04.03.2023

Previously, on 31.01.2023 we revised technical solutions related to Fluidized bed reactor in Biomass gasification. Now, we will have a look at another aspect of this technology to find out, what are the trends in feedstock preparation for biomass gasification. For this purpose we have collected and analyzed using the Advanced...

Unconventional oil. Steam and chemicals. Patent Analysis

20.02.2023

Earlier we have revised a number of topics related to enhanced oil recovery, such as those related to chemical stimulation (18.04.2022), gas injection or water flooding (09.05.2022), steam injection (06.08.2022), and provided some information on individual aspects of steam-assisted oil recovery – SAGD approach (06.12.2022) and...

Patent activity worldwide in 2021

15.02.2023

The world's leading patent offices (WIPO, IP5) released key statistics for 2021 at the end of last year. Overall results are impressive. Thus, in 2021, 2.9m patent applications were filed (+4%) and almost 1.5m patents were granted (+10%) in the top 5 patent offices (CNIPA, EPO, JPO, KIPO, USPTO). Substantial decline in the...

Unconventional oil. Steam generators. Patent Analysis

10.02.2023

Previously, we published articles concerning chemical stimulation (18.04.2022), gas injection or water flooding (09.05.2022), and steam injection (06.08.2022) technologies used in unconventional oil production, and, specifically, about Steam-assisted gravity drainage approach (06.12.2022). Now we will consider a group of...

Biomass gasification. Fluidized bed reactor. Patent Analysis

31.01.2023

Among the types of reactors used in biomass gasification, fluidized bed reactors form the largest group of technical solutions described in patents and applications over the past 20 years. Below we provide for your consideration a brief analysis of inventions related to this technology. More than 1300 patent documents related...

Wind energy. Lightning protection in wind turbine blades. Patent Analysis

21.01.2023

Previously, we published articles concerning the offshore wind turbines (22/08/2022), and wind turbine blade de-icing technologies (30/12/2022). Here we will review patent documents related to the technologies lightning protection in wind turbine blades. The importance of this aspect of wind turbine operation is indicated by...

Solar energy storage technologies. Patent Analysis

09.01.2023

Various options of energy storage are described in patented solutions in the field of solar energy. They include such technologies as those using latent heat, molten materials, compressed air, and chemical reactions. In the pool of collected patent documents on solar energy storage, technical solutions disclosing the use of...

Wind energy. De-icing of blades. Patent Analysis

30.12.2022

In previous comment dated 02/07/2022, we have provided a summarized review of "WIND ENERGY. Offshore Wind Turbine. Patent Database. June 2022" and basic statistical data from it. Now we will take a closer look at one of the important aspects of wind power plant operation. In recent years, there has been an increase in...