Differential pressure transmitter

- DWYER INSTRUMENTS, INC.
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Description

FIG. 1 is a top perspective view of a differential pressure transmitter illustrating our new design.

FIG. 2 is a bottom perspective view of a differential pressure transmitter illustrating our new design.

FIG. 3 is a rear view of a differential pressure transmitter illustrating our new design.

FIG. 4 is a front view of a differential pressure transmitter illustrating our new design.

FIG. 5 is a right side view of a differential pressure transmitter illustrating our new design.

FIG. 6 is a left side view of a differential pressure transmitter illustrating our new design.

FIG. 7 is a top view of a differential pressure transmitter illustrating our new design; and,

FIG. 8 is a bottom view of a differential pressure transmitter illustrating our new design.

The broken lines shown are included for the purpose of illustrating portions of the differential pressure transmitter that form no part of the claimed design.

Claims

The ornamental design for a differential pressure transmitter, as shown and described.

Referenced Cited
U.S. Patent Documents
D348017 June 21, 1994 Poleshuk
D421927 March 28, 2000 Binder
D560530 January 29, 2008 Fisher
D562168 February 19, 2008 Johnson
7412882 August 19, 2008 Lazar
D582814 December 16, 2008 Ball
D711267 August 19, 2014 Tsuda
D906144 December 29, 2020 Angus
20110079303 April 7, 2011 Varini
20120090406 April 19, 2012 Etter
20140260668 September 18, 2014 Liu
20150276454 October 1, 2015 Laursen
20200386590 December 10, 2020 Stuyvenberg
Foreign Patent Documents
119057 January 2007 CA
300855476 December 2008 CN
302349734 October 2012 CN
305955389 March 2020 CN
306167456 June 2020 CN
306653923 December 2020 CN
301122644.0000 October 2020 KR
Other references
  • Dwyer, Differential Pressure Transmitter,Date first available Oct. 11, 2012, [online]retrieved Sep. 20, 2021,available from https://www.amazon.com/Dwyer-Differential-Pressure-Transmitter-Background/dp/B009PAM7ES/ref=sr_1_5?dchild=1&keywords=DIFFERENTIAL+PRESSURE+TRANSMITTER&qid=1632154835&s=industrial (Year: 2012).
  • Dwyer, Digital Pressure Gage, Date first available Oct. 11, 2012,[online]retrieved Sep. 16, 2021,available from https://www.amazon.com/Dwyer-Digital-Pressure-Liquids-Compatible/dp/B009P8YJQ4/ref=sr_1_33?dchild=1&keywords=Dwyer&qid=1631823924&sr=8-33 (Year: 2012).
  • Dwyer, Magnehelic Differential Pressure Gage,Date first available Oct. 11, 2012, [online]retrieved Sep. 16, 2021,available from https://www.amazon.com/Dwyer-Magnehelic-Differential-Pressure-Gauge/dp/B009P9EF62/ref=pd_sbs_6/134-5564337-2927451?pd_rd_w=ch5Tq&pf_rd_p=0a3ad226-8a77-4898-9a99-63ffeb1aef90&p (Year: 2012).
  • Dwyer,Series DH3 Digihelic® Differential Pressure Controller, Date first available Dec. 2018, [online]retrieved Sep. 20, 2021,available from dwyer-inst.com (Year: 2018).
Patent History
Patent number: D942292
Type: Grant
Filed: Jun 11, 2020
Date of Patent: Feb 1, 2022
Assignee: DWYER INSTRUMENTS, INC. (Michigan City, IN)
Inventor: Jeffrey Vern Meuli (LaPorte, IN)
Primary Examiner: Keli L Hill
Assistant Examiner: Sara S Sahneh
Application Number: 29/737,686
Classifications