JOHN J GRASSESCHI
Plumbers in Worcester, MA
License number
Massachusetts 7226
Expiration Date
May 1, 1992
Type
Master Plumber
Address
Address
Worcester, MA 01604
Professional information
Plumbing Sealing System
US Patent:
4892116, Jan 9, 1990
Filed:
Apr 26, 1988
Appl. No.:
7/186450
Inventors:
John J. Grasseschi - Worcester MA
International Classification:
F16L 500
US Classification:
137360
Abstract:
System for sealing a plumbing fixture, which fixture has a flange with an edge lying in spaced relationship to a vertical wall surface and a sealing element lying along and attached to the said edge to compensate for variations in the distance between the edge and the wall.
Plumbing Sealing System
US Patent:
4756332, Jul 12, 1988
Filed:
Aug 31, 1987
Appl. No.:
7/091506
Inventors:
John J. Grasseschi - Worcester MA
International Classification:
F16L 500
US Classification:
137360
Abstract:
System for sealing a plumbing fixture, which fixture has a flange with an edge lying in spaced relationship to a vertical wall surface and a sealing element lying along and attached to the said edge to compensate for variations in the distance between the edge and the wall.
Plumbing Sealing System
US Patent:
4706702, Nov 17, 1987
Filed:
Dec 17, 1986
Appl. No.:
6/943312
Inventors:
John J. Grasseschi - Worcester MA
International Classification:
F16L 500
US Classification:
137360
Abstract:
System for sealing a plumbing fixture, which fixture has a flange with an edge lying in spaced relationship to a vertical wall surface and a sealing element lying along and attached to the said edge to compensate for variations in the distance between the edge and the wall.
Water Closet
US Patent:
3984878, Oct 12, 1976
Filed:
Sep 25, 1975
Appl. No.:
5/617495
Inventors:
John J. Grasseschi - Worcester MA
International Classification:
E03D 122, E03D 130, E03D 300, E03D 312
US Classification:
4 34
Abstract:
A water closet in which a substantial reduction in water use is accomplished by flushing liquid waste from the bowl using a high-pressure stream of water which passes through the bowl and into an S-trap. Solid material is flushed in the normal way. The high pressure stream occurs in two phases; a first phase which has high momentum and evacuates the bowl, and a second phase which has low momentum and refills and reseals the bowl.
Sprinkler Assembly
US Patent:
4706759, Nov 17, 1987
Filed:
Jul 11, 1986
Appl. No.:
6/884358
Inventors:
John J. Grasseschi - Worcester MA
International Classification:
A62C 2500, A62C 3708, E04B 100
US Classification:
169 51
Abstract:
Recessed sprinkler apparatus including a cover plate having a melting temperature substantially lower than the release temperature of the sprinkler head.