SP TECH CO.,LTD

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Ansan-si Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Propeller blade
- Patent number 11,448,232
- Issue date Sep 20, 2022
- SP Tech
- Stephen R. Topaz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Propeller blade
- Patent number 10,294,956
- Issue date May 21, 2019
- SP Tech
- Stephen R. Topaz
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Dielectric barrier discharge-type electrode structure for generatin...
- Patent number 9,117,616
- Issue date Aug 25, 2015
- SP TECH CO., LTD.
- Hee Sik Sohn
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
HIGHLY CORROSION-RESISTANT HEAT EXCHANGER SYSTEM USING CONTROL OF A...
- Publication number 20200173740
- Publication date Jun 4, 2020
- SP TECH CO.,LTD
- Hee Sik SOHN
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
PROPELLER BLADE
- Publication number 20200025212
- Publication date Jan 23, 2020
- SP Tech
- Stephen R. Topaz
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
PROPELLER BLADE
- Publication number 20150337854
- Publication date Nov 26, 2015
- SP TECH
- Stephen R. Topaz
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
DIELECTRIC BARRIER DISCHARGE-TYPE ELECTRODE STRUCTURE FOR GENERATIN...
- Publication number 20150137677
- Publication date May 21, 2015
- SP TECH CO., LTD.
- Hee Sik Sohn
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PROPELLER BLADE
- Publication number 20130045107
- Publication date Feb 21, 2013
- SP Tech
- Stephen R. Topaz
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Trademarklast 30 trademarks