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DISTRICT OF COLUMBIA WATER & SEWER AUTHORITY
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WASHINGTON, DC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and system for detection of anomalies in surfaces
Patent number
11,151,713
Issue date
Oct 19, 2021
Wipro Limited
Rupesh Wasudevrao Kumbhare
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for water treatment using screens
Patent number
10,287,195
Issue date
May 14, 2019
District of Columbia Water and Sewer Authority
Sudhir N. Murthy
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
87825181 - BLUE DROP
Serial number
87825181
Registration number
5897983
Filing date
Mar 8, 2018
District of Columbia Water and Sewer Authority
35 - Advertising
Information
Trademark
87079781 - BLUE DROP
Serial number
87079781
Registration number
5465176
Filing date
Jun 22, 2016
District of Columbia Water and Sewer Authority
35 - Advertising
Information
Trademark
86751775 - BLOOM
Serial number
86751775
Registration number
5115508
Filing date
Sep 9, 2015
District of Columbia Water and Sewer Authority
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
86751785 - GOOD SOIL, BETTER EARTH
Serial number
86751785
Registration number
5115509
Filing date
Sep 9, 2015
District of Columbia Water and Sewer Authority
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
85062368 - DC
Serial number
85062368
Registration number
3982634
Filing date
Jun 14, 2010
District of Columbia Water and Sewer Authority
39 - Transport
Information
Trademark
85047410 - DC WATER IS LIFE
Serial number
85047410
Registration number
4042942
Filing date
May 25, 2010
District of Columbia Water and Sewer Authority
39 - Transport
Information
Trademark
85046559 - WATER IS LIFE
Serial number
85046559
Registration number
4077704
Filing date
May 24, 2010
District of Columbia Water and Sewer Authority
39 - Transport