John Hardwick Hoover

US Patent:

20080264021, Oct 30, 2008

Filed:

Apr 10, 2008

Appl. No.:

12/082289

Inventors:

John A. Hoover - Hurst TX, US

International Classification:

B01D 46/00

US Classification:

55493

Abstract:

An apparatus to substantially minimize extraneous foreign material from entering an enclosure having a predetermined configuration for an outside air conditioning air compressor unit includes a frame member formed from a predetermined material and having a predetermined configuration substantially identical to the predetermined configuration for such outside air conditioning air compressor unit. At least one latch means engages with each free vertically disposed edge of such frame member for connecting them together to enclose such outside air conditioning air compressor unit. A pre-selected filter material is positioned in the frame member for substantially minimizing such extraneous foreign material from entering said enclosure for such outside air conditioning air compressor unit. A mechanism engages with each side of such filter material and with the frame member for retaining such filter material in position during use.

US Patent:

54150698, May 16, 1995

Filed:

Oct 9, 1992

Appl. No.:

7/959504

Inventors:

Jerry Collins - Richardson TX
John Hoover - Denison TX
Al Latham - Lewisville TX

Assignee:

Texas Instruments Incorporated - Dallas TX

International Classification:

B26D 154
B27B 529

US Classification:

83824

Abstract:

Spacing and stabilization guides for saw blades have a coating of a chemically vapor deposited silicon carbide on the face of the guide that contacts the saw blade. The guides may be fixed or rotatable on mounting brackets.