An upright ESFR sprinkler includes a generally tubular body, at least one frame arm, a closure assembly, an unactuated heat responsive trigger assembly and a deflector assembly with a K-factor greater than 14, and preferably 16.8. The passageway extends between inlet and outlet openings. The closure is positioned proximate the outlet so as to occlude …

Legal parties

Inventors (applicants): Donald B. Pounder, Michael A. Fischer
Assignees (initial): Tyco Fire Products LP (Lansdale, US)
Agents: Perkins Coie LLP (attorney)

The application was examined by Dinh Q Nguyen (USPTO dept. 3752)


  • 1. An upright, suppression mode sprinkler, comprising: …
  • 2. An upright suppression mode sprinkler, comprising: …
  • 3. The upright suppression mode sprinkler according to any one of claim 1 or 2 , wherein …

Cited documents


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  • Meyer et al. US 5829532 A, Nov. 1, 1998
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  • Meyer et al. US 6502643 B1, Jan. 1, 2003
  • Lapham US 575121 A, Jan. 1, 1897
  • Thomas et al. US 7036603 B2, May. 1, 2006
  • GB 2415134 B, Dec. 1, 2005
  • Meyer US 433477 A, Aug. 1, 1890
  • Franson US 6715561 B2, Apr. 1, 2004
  • Pounder US 4580729 A, Apr. 1, 1986
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  • JP 11123250, Nov. 1, 1999
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Brief Descriptions of the Drawings

The accompanying drawings, which are incorporated herein and constitute part of this specification, illustrate a preferred embodiment of the invention, and, together with the general description given above and the detailed …


Background of the Invention

An automatic sprinkler system is one of the most widely used devices for fire protection. The sprinklers are activated once the ambient temperature in an environment such as a room …

Cross Reference to Related Applications

This application is a continuation of U.S. application Ser. No. 10/384,736, filed Mar. 11, 2003, which is incorporated by reference in its …

Detailed Description of the Preferred Embodiments

Referring to FIGS. 1-4 , an early suppression, fast response (“ESFR”) upright sprinkler 10 is shown. The ESFR upright sprinkler 10 includes a generally tubular body 20 extending along a longitudinal …

More details about Upright, Suppression Sprinkler

Miscellaneous patent data

Illustrated by 4 drawings, the patent was granted on Sep. 3, 2013, the exemplary patent drawings are Upright, Suppression Sprinkler, fluid-redirecting member as seen through, ESFR upright sprinkler according to a preferred, Cross-section side view of the ESFR, developed by Michael A. Fischer et al., the applicant's city - North Kingston, state - RI, the applicant's last name is Pounder, and his first name is Donald B., the exemplary claims include number 1, the protection scope is defined by 30 claims, categorized under Sprinkler Heads as a primary classification, the assignee classification - a United States company, located in Lansdale (US), the assignee organization is Tyco Fire Products LP, the examination was conducted by Dinh Q Nguyen, the main examiner (3752 USPTO department), the recorded agent's company name - Perkins Coie LLP, the patent particularly claims an upright, suppression mode sprinkler, comprising…, the invention is titled Upright, Suppression Sprinkler, the grant number is 08522888, the application number is 12/898,581 (U.S.), similar patents are classified under fusible links, Lever, in gas-pipes, Upon inversion of internal container, Mount, Cabinet or Guard, frangible vessels, Sliding dampers, Water towers, Gas, multi-vane roll or fold-up type, 4 figures are supplied with the description, the application publication date is Oct. 5, 2010, the inventor's city is West Kingston, state - RI, the inventor's last name is Fischer, and his first name is Michael A.

Invention classification information

The invention is classified under Compound, Deflector and terminal flow element, Sprinkler Heads, Fusible Connections, comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers, Unitary deflector with multiple fingers or serrated edges, Distributing systems. The designated search classifications include Deflector and terminal flow element, Fusible Connections, Unitary deflector with multiple fingers or serrated edges, Compound, Distributing systems, Sprinkler Heads.

Patent details
Publication number 08522888
Publication date Sep. 3, 2013
Kind code B2
Application number 12/898,581
Application date Oct. 5, 2010
Application type U
Application series code 12
National classification 169/37
Total number of claims 30
Exemplary claims 1
Number of drawings 4
Number of figures 4
Terminal disclaimer
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