Membership
Tour
Register
Log in
Robert Sherwood
Follow
Person
Almont, MI, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Turf cover for a water drainage system
Patent number
11,619,038
Issue date
Apr 4, 2023
Robert Sherwood
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Filtration system for a water drainage system
Patent number
11,471,796
Issue date
Oct 18, 2022
Robert Sherwood
E04 - BUILDING
Information
Patent Grant
Turf cover and emitter for a water drainage system
Patent number
11,371,233
Issue date
Jun 28, 2022
Robert Sherwood
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Sump system
Patent number
10,982,423
Issue date
Apr 20, 2021
Robert Sherwood
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Sump system
Patent number
10,968,618
Issue date
Apr 6, 2021
Robert Sherwood
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Sump system
Patent number
10,669,708
Issue date
Jun 2, 2020
Robert Sherwood
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
FILTRATION SYSTEM FOR A WATER DRAINAGE SYSTEM
Publication number
20230302385
Publication date
Sep 28, 2023
Robert Sherwood
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
TURF COVER FOR A WATER DRAINAGE SYSTEM
Publication number
20220325515
Publication date
Oct 13, 2022
Robert Sherwood
E03 - WATER SUPPLY SEWERAGE