David M. Crimmins
Engineering at Craig Ave, Metairie, LA
License number
Louisiana PE.0017150
Issued Date
May 24, 1978
Expiration Date
Mar 31, 2018
Category
Civil Engineer
Type
Civil Engineer
Address
Address
4421 Craig Ave, Metairie, LA 70003
Professional information
Grouted Closure Assembly
US Patent:
4804018, Feb 14, 1989
Filed:
Oct 30, 1987
Appl. No.:
7/114915
Inventors:
Thomas N. Carr - New Orleans LA
David M. Crimmins - Metairie LA
David M. Crimmins - Metairie LA
Assignee:
McDermott International, Inc. - New Orleans LA
International Classification:
F16L 5510, E02D 2302
US Classification:
138 93
Abstract:
A closure assembly is lowered into the leg of an offshore jacket. Its alignment within the jacket is maintained by a series of centralizers on its outer periphery surface. A grout packer surrounding the closure assembly seals between this assembly and the inside surface of the jacket. Afterwhich grout, or some other sealant, is pumped into the annulus above the grout packer, when cured, rigidly forms a plug within the jacket leg.
Multiple Use Trunnion Connection For Lift Spreader
US Patent:
5716088, Feb 10, 1998
Filed:
Nov 26, 1996
Appl. No.:
8/756840
Inventors:
Prabhat Chander - Metairie LA
David Michael Crimmins - Metairie LA
David Michael Crimmins - Metairie LA
Assignee:
J. Ray McDermott, S.A. - New Orleans LA
International Classification:
B66C 112
US Classification:
294 811
Abstract:
A multiple use trunnion connection for use with a lifting spreader bar or frame. A trunnion connection is placed at each end of a lifting spreader that is sized for the particular lift. Each trunnion is provided with a set of horizontally and vertically disposed pins that are positioned to retain the lifting slings in place on the trunnion during the lift without the need for shackles and lifting eyes.