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Stephen D. Roche
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Nashville, TN, US
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Patents Grants
last 30 patents
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Patent Grant
Self-cleaning pre-filter for a water circulation pump
Patent number
12,137,676
Issue date
Nov 12, 2024
Stephen D. Roche
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Self-cleaning pre-filter for a water circulation pump
Patent number
11,730,149
Issue date
Aug 22, 2023
Stephen D. Roche
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Self-cleaning pre-filter for a water circulation pump
Patent number
11,375,698
Issue date
Jul 5, 2022
Stephen D. Roche
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Self-cleaning pre-filter for a water circulation pump
Patent number
10,070,629
Issue date
Sep 11, 2018
Stephen D. Roche
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Self-cleaning pre-filter for a water circulation pump
Patent number
8,800,496
Issue date
Aug 12, 2014
Stephen D. Roche
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Information
Patent Application
SELF-CLEANING PRE-FILTER FOR A WATER CIRCULATION PUMP
Publication number
20230345918
Publication date
Nov 2, 2023
Stephen D. Roche
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SELF-CLEANING PRE-FILTER FOR A WATER CIRCULATION PUMP
Publication number
20220295763
Publication date
Sep 22, 2022
Stephen D. Roche
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Self-Cleaning Pre-Filter for a Water Circulation Pump
Publication number
20190239489
Publication date
Aug 8, 2019
Stephen D. Roche
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
SELF-CLEANING PRE-FILTER FOR A WATER CIRCULATION PUMP
Publication number
20190216061
Publication date
Jul 18, 2019
Stephen D. Roche
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Self-Cleaning Pre-Filter for a Water Circulation Pump
Publication number
20140305880
Publication date
Oct 16, 2014
Stephen D. Roche
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING