US 12,083,463 B2
Device for collecting particulate matter
Scott Ryan, Ocala, FL (US); Travis Pettengill, Shaftsbury, VT (US); Bill Barker, Jr., Ocala, FL (US); and Wayne Sipes, Ocala, FL (US)
Assigned to COLE-PARMER INSTRUMENT COMPANY LLC, Vernon Hills, IL (US)
Filed by Cole-Parmer Instrument Company LLC, Vernon Hills, IL (US)
Filed on Jul. 29, 2022, as Appl. No. 17/877,060.
Application 17/877,060 is a division of application No. 16/275,963, filed on Feb. 14, 2019, granted, now 11,426,689.
Claims priority of provisional application 62/710,399, filed on Feb. 16, 2018.
Prior Publication US 2022/0362700 A1, Nov. 17, 2022
Int. Cl. B01D 46/00 (2022.01); B01D 39/16 (2006.01); B01D 46/24 (2006.01); G01N 1/22 (2006.01); G01N 1/40 (2006.01)
CPC B01D 46/0005 (2013.01) [B01D 39/1676 (2013.01); B01D 46/0004 (2013.01); B01D 46/0015 (2013.01); B01D 46/2403 (2013.01); G01N 1/2205 (2013.01); G01N 1/2273 (2013.01); G01N 1/4055 (2013.01); B01D 2265/02 (2013.01); B01D 2265/04 (2013.01); B01D 2265/06 (2013.01); G01N 2001/2276 (2013.01); G01N 2001/2288 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An improved device for collecting particulate matter suspended in the ambient air through the use of a low pressure air source, comprising:
a container extending between an open first end and a closed second end defining a container interior;
a container output communicating with said container interior located proximate said closed second end of said container;
a filter cassette comprising a collection filter permanently fused to a filter holder, wherein a top surface of the collection filter is permanently fused to a bottom surface of a flange of the filter holder;
a filter support positioned under said collection filter, wherein the filter support prevents distortion of the collection filter during an operation for the collecting particulate matter;
a retainer having a retainer input removably secured to said open first end of said container for retaining said filter cassette between said retainer input and said container output; and
an output connector for connecting said container output to the low pressure source for drawing ambient air into said retainer input for enabling said collection filter to collect particulate matter suspended in the ambient air entering said retainer input.