The paper gives a brief overview of current state of patents in Serbia. Preview includes the number of applicants
and registered patents. Here are presented two most important patents in the field of petroleum industry. System for
thermal paraffin removal in tubing and Piston pump with hydraulic power transmission are related to the efficient production
of oil. The System for thermal paraffin removal in tubing won first place in the competition for the best technological
innovation in Serbia in 2009, and nominated for ENI Awards 2012th.
Keywords: Oil, gas, production, heating, piston pump, centrifugal separator, petroleum, separator, petroleum industry, tubing
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