John M Schaeffer

US Patent:

40621588, Dec 13, 1977

Filed:

Jul 12, 1976

Appl. No.:

5/704691

Inventors:

Herbert O. Kaufmann - Kew Gardens NY
John I. Schaeffer - Towaco NJ

Assignee:

Swim 'n Play, Inc. - Newark NJ

International Classification:

E04B 1346

US Classification:

52 71

Abstract:

A prefabricated swimming pool includes a liner and a wall supported by vertical posts. Lip members are arranged between the posts along the top edge of the wall and connected to the posts by brackets. The angles at which the lip members are attached to the posts are adjustable so that the number of posts used to support the wall can be varied, and pools of differing sizes can be constructed using standard components.

US Patent:

39948102, Nov 30, 1976

Filed:

Jul 28, 1975

Appl. No.:

5/599536

Inventors:

John I. Schaeffer - Towaco NJ

Assignee:

Brunswick Corporation - Skokie IL

International Classification:

B01D 2938

US Classification:

210103

Abstract:

This invention comtemplates a new and novel filtering device that comprises a plurality of parallel filter elements with means within the device for backflushing two or more of the filter elements without removing the elements from the device and while the device is being operated onstream and filtering. The backflushed fluid used to clean the elements is isolated from the primary fluid stream and discharged from the device.