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Found 69 patent/-s, displaying 41 to 50.

Patent number Date of publication (B) Title Authors Type
41. LV15233B 20.09.2017. Reinforced concrete screw pile Latvian
42. LV15232B 20.09.2017. Reinforced concrete screw pile and its manufacturing technology Latvian
43. LV15176B 20.09.2017. By silicon nitride modified mullite-ZrO2 ceramics Latvian
44. LV15188B 20.08.2017. Eco-friendly porous material for iehnancement of insulation properties of hollow building blocks and a method for obtaining thereof Latvian
45. LV15194B 20.06.2017. Transformerless high boost DC-AC inventer Latvian
46. LV15215B 20.05.2017. Out-of step regime control method Latvian
47. LV15214B 20.05.2017. Initiation method of phase trasition in tin sulphides Latvian
48. LV15207B 20.05.2017. Method for identification of single phase-to-ground fault in high-voltage power transmission lines Latvian
49. LV15202B 20.05.2017. Thermally treated alkaline activated material with PH regulatory properties and its application in continuous biogas fermentation process Latvian
50. LV15147B 20.03.2017. Method for production of landfill gas Latvian