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http://dx.doi.org/10.9725/kts.2022.38.4.143

Analysis of Patents Related to Oil Diagnosis of Construction Equipment  

Hong, Sung-Ho (Dept. of Mechanical System Engineering, Dongguk University-WISE Campus)
Jang, Beom-Suk (Dept. of Mechanical System Engineering, Dongguk University-WISE Campus)
Publication Information
Tribology and Lubricants / v.38, no.4, 2022 , pp. 143-151 More about this Journal
Abstract
This study analyzes patents related to oil diagnosis of construction equipment. Oil diagnosis is extremely important for maintaining construction equipment properly. Through the evaluation of existing patents, a patent strategy for the future construction equipment market is presented. The related patents are classified and selected in several steps. Finally, 16 valid patents are selected and analyzed in detail. In the classification process, patents are classified by country, year, and company. A market analysis shows that the top 10 companies have a market share of more than 50. In addition to patents related to the oil analysis of construction equipment, patents related to automobile oil analysis and development of oil sensors are investigated to identify the contents of patents in other fields that can be applied to oil diagnosis technology for construction equipment. Moreover, not only the contents of research articles of two Korean construction companies, but also the research trends in the literature in this field are used in the analysis. The related patents of the two Korean companies are few. Companies with a high market share, including Caterpillar, hold many patents, and patents for diagnosis algorithms using such technologies as artificial intelligence and artificial neural networks, along with oil sensor-based condition monitoring technology, are gradually expanding.
Keywords
Construction equipment; Lubricant; Oil diagnosis; Patent;
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Times Cited By KSCI : 2  (Citation Analysis)
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