Heat exchanger

- Hayward Industries, Inc.
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a heat exchanger showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a heat exchanger, as shown and described.

Referenced Cited
U.S. Patent Documents
176964 May 1876 Johnson
556630 March 1896 Hoberecht
753250 March 1904 Ebinger
1742362 January 1930 Ludt
2259433 October 1941 Kitto
3568764 March 1971 Newman et al.
3840175 October 1974 Jacuzzi
4257479 March 24, 1981 Newton
D264500 May 18, 1982 Beaton
D265236 June 29, 1982 Yamin
4595825 June 17, 1986 Gordbegli
4907418 March 13, 1990 DeFazio
5201307 April 13, 1993 Afshar
5216743 June 1, 1993 Seitz
5228618 July 20, 1993 Afshar
5318007 June 7, 1994 Afshar
5487423 January 30, 1996 Romero
5775267 July 7, 1998 Hou et al.
D397191 August 18, 1998 Kralovec et al.
5802864 September 8, 1998 Yarbrough et al.
D412567 August 3, 1999 Ward et al.
6026804 February 22, 2000 Schardt et al.
6082993 July 4, 2000 O'Leary et al.
6293335 September 25, 2001 Tawney et al.
6295980 October 2, 2001 Lopez et al.
6321833 November 27, 2001 O'Leary et al.
6499534 December 31, 2002 Tawney et al.
20020157815 October 31, 2002 Sutter
20030209345 November 13, 2003 Zweig
Foreign Patent Documents
60048496 March 1985 JP
Other references
  • U.S. Appl. No. 12/017,659, Title: Heat Exchangers and Headers Therefor, filed Jan. 22, 2008 (claiming priority to U.S. App. No. 11/698,792, and 11/789,870) (134 pages).
  • U.S. Appl. No. 11/789,870, Title: Heat Exchanger, filed: Apr. 26, 2007 (59 pages).
  • U.S. Appl. No. 11/698,792, Title: Header for a Heat Exchanger, filed: Jan. 26, 2007 (45 pages).
  • MiniMax CH Operation and Installation Manual (Rev. C. Jan. 22, 2004) and four photographs (taken prior to Jan. 26, 2007) of a device of the type shown at pages 7, 11, 19, and A-10 thereof (40 pages).
  • MiniMax NTTSI, marked © 2005 Pentair Water Pool and Spa, Inc. (2 pages).
  • Replacement Parts, Raypak Catalog No. 9100.554 (2005) (7 pages).
  • “Anything But Basic” Raypak Catalog No. 6000.12A marked © 2004 Raypak, Inc. (4 pages).
  • Jandy LX/LT Heaters Sell Sheet, marked © 2006 Jandy Pool Products, Inc. (2 pages).
  • Laars LX/LT Low NOx Parts List, marked Mfg. 2003-Present (2 pages).
  • Installation and Operation Manual LX and LT Gas-Fired Pool and Spa Heater, marked © Water Pik Technologies 0401 (32 pages).
  • Turbotec Brochure (Prior to Jan. 26, 2006) (6 pages).
Patent History
Patent number: D574938
Type: Grant
Filed: Apr 26, 2007
Date of Patent: Aug 12, 2008
Assignee: Hayward Industries, Inc. (Elizabeth, NJ)
Inventors: David Martin (Concord, NC), Gang Li (Manitowoc, WI), David L. Schardt (Franklin, TN)
Primary Examiner: Robert M. Spear
Assistant Examiner: Ania K Dworzecka
Attorney: McCarter & English, LLP
Application Number: 29/286,192
Classifications