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Patents Grantslast 30 patents

Information Patent Grant
Sealing ring and assembly of ducts including said ring
- Patent number 10,858,835
- Issue date Dec 8, 2020
- Gérard Iftissen
- E04 - BUILDING
Information Patent Grant
Double-level drainage system for flat roofs
- Patent number 5,144,782
- Issue date Sep 8, 1992
- Jean-Paul Paquette
- E04 - BUILDING
Information Patent Grant
Roof drain
- Patent number 4,230,346
- Issue date Oct 28, 1980
- Klaus Gobel
- E04 - BUILDING
Information Patent Grant
3909412
- Patent number 3,909,412
- Issue date Sep 30, 1975
- E04 - BUILDING
Information Patent Grant
2765865
- Patent number 2,765,865
- Issue date Oct 9, 1956
- E04 - BUILDING
Information Patent Grant
1991130
- Patent number 1,991,130
- Issue date Feb 12, 1935
- E04 - BUILDING
Information Patent Grant
1973304
- Patent number 1,973,304
- Issue date Sep 11, 1934
- E04 - BUILDING
Information Patent Grant
1830065
- Patent number 1,830,065
- Issue date Nov 3, 1931
- E04 - BUILDING
Information Patent Grant
1739067
- Patent number 1,739,067
- Issue date Dec 10, 1929
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
1706079
- Patent number 1,706,079
- Issue date Mar 19, 1929
- E04 - BUILDING
Information Patent Grant
1690630
- Patent number 1,690,630
- Issue date Nov 6, 1928
- E04 - BUILDING