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Patents Grants
last 30 patents
Information
Patent Grant
Floating pumping device
Patent number
4,089,620
Issue date
May 16, 1978
Riga, Inc.
Richard B. Ravitts
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Separating apparatus for clarifying liquid
Patent number
4,056,477
Issue date
Nov 1, 1977
Riga, Inc.
Richard B. Ravitts
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
79291254 - RIGAS PAS
Serial number
79291254
Registration number
6375250
Filing date
Jun 11, 2020
RIGAS CO., Ltd.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
79239644 - RIGAS RESEARCH INSTITUTE OF GAS ANALYTICAL SCIENCE
Serial number
79239644
Registration number
5730549
Filing date
Jun 21, 2018
RIGAS CO., Ltd.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
79235375 - RIGAS | ONE
Serial number
79235375
Registration number
5742195
Filing date
Apr 11, 2018
RIGAS CO., Ltd.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry