Compound pipe

Details Compound pipe Compound pipe

2001-12-21

2009-08-25

Hewitt, James M (Department: 3679)

Pipes and tubular conduits

Distinct layers

With intermediate insulation layer

C138S112000, C138S113000, C285S047000, C285S048000, C285S049000, C285S053000

Reexamination Certificate

active

07578315

ABSTRACT:
A compound pipe for conveying fluid comprising an inner pipe positioned within an outer pipe such that the walls of the inner pipe and outer pipe define a gap. The compound pipe further including an insulating material for insulating the inner pipe from the outer pipe, the insulating material and outer pipe defining a fluid channel.

REFERENCES:
patent: 1525758 (1925-02-01), Hockin
patent: 2348754 (1944-05-01), Ray
patent: 2468902 (1949-05-01), Villiger
patent: 2707493 (1955-05-01), Bonvillian et al.
patent: 2920908 (1960-01-01), Mitchell
patent: 3578030 (1971-05-01), Hatch
patent: 3665967 (1972-05-01), Kachnik
patent: 3677303 (1972-07-01), Martin
patent: 3693665 (1972-09-01), Veerling et al.
patent: 3698440 (1972-10-01), Matthieu et al.
patent: 3768523 (1973-10-01), Schroeder
patent: 4014369 (1977-03-01), Kobres, Jr.
patent: 4054158 (1977-10-01), Hoeman et al.
patent: 4221405 (1980-09-01), Stonitsch et al.
patent: 4363504 (1982-12-01), De Feo et al.
patent: 4371197 (1983-02-01), Chabrier
patent: 4465307 (1984-08-01), de Lange
patent: 4615359 (1986-10-01), Affa et al.
patent: 4660861 (1987-04-01), Argy et al.
patent: 4694547 (1987-09-01), Broussard
patent: 4694864 (1987-09-01), Libin
patent: 4700751 (1987-10-01), Fedrick
patent: 4705138 (1987-11-01), Reese
patent: 4788090 (1988-11-01), Marks et al.
patent: 4804210 (1989-02-01), Hancock
patent: 5072591 (1991-12-01), Grange et al.
patent: 5078182 (1992-01-01), Kraft
patent: 5421724 (1995-06-01), Facco
patent: 5441083 (1995-08-01), Korsgaard
patent: 5634672 (1997-06-01), Stack et al.
patent: 5658024 (1997-08-01), Bachmann et al.
patent: 5860453 (1999-01-01), Picking
patent: 5862866 (1999-01-01), Springer
patent: 5868437 (1999-02-01), Teague
patent: 5935517 (1999-08-01), Roll et al.
patent: 6199595 (2001-03-01), Baker
patent: 6328346 (2001-12-01), Masters et al.
patent: 6349976 (2002-02-01), Taylor, Jr.
patent: 1177432 (1961-10-01), None
patent: 1195113 (1963-05-01), None
patent: 0 318 232 (1988-11-01), None
patent: 0 472 293 (1991-07-01), None
patent: 1423113 (1964-11-01), None
patent: 1 450 138 (1973-12-01), None

Affiliated with

Also associated with

Rating

Compound pipe does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Compound pipe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Compound pipe will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4070006