US 11,998,868 B2
Confined space sealing system and method
Alan Lee Clarke, Mineral Wells, TX (US); and Schuyler Steven Smith, Santo, TX (US)
Assigned to JONELL FILTRATION PRODUCTS, INC., Breckinridge, TX (US)
Filed by Jonell Filtration Products, Inc., Breckinridge, TX (US)
Filed on Dec. 17, 2020, as Appl. No. 17/125,136.
Claims priority of provisional application 62/949,208, filed on Dec. 17, 2019.
Prior Publication US 2021/0178310 A1, Jun. 17, 2021
Int. Cl. B25B 27/00 (2006.01); B01D 35/02 (2006.01); B01D 46/00 (2022.01); B01D 46/42 (2006.01)
CPC B01D 46/4227 (2013.01) [B01D 35/02 (2013.01); B01D 46/0004 (2013.01); B25B 27/00 (2013.01); B01D 2201/24 (2013.01); B01D 2265/029 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An filter locking nut comprising:
an elongated body extending between a first end and a second end, wherein the first end comprises a first receptacle and wherein the second end comprises a second receptacle including an internal thread configured to removably engage a threaded rod in order to be moved into engagement with a filter element:
wherein the elongated body comprises an outer wall of the first receptable;
wherein the first receptable comprises;
a rectangular opening,
a circumferential groove formed in an interior wall of the rectangular opening, and
a circular back end of the square opening,
wherein the groove is coupled and remains coupled with an elongated tool when the elongated tool is inserted into the first receptable and a movable component of the elongated tool disposed in the groove;
wherein the groove is uncoupled from the elongated tool when the threaded rod engages the second receptacle and the movable component is undisposed from the groove.