US 11,717,025 B2
Smoke filter apparatus
Edward T. Nista, Kingston, WA (US)
Assigned to Squid Roach, Inc., Dover, DE (US)
Filed by Edward T. Nista, Kingston, WA (US)
Filed on Apr. 22, 2021, as Appl. No. 17/237,912.
Prior Publication US 2022/0338532 A1, Oct. 27, 2022
Int. Cl. A24D 3/04 (2006.01); A24D 3/10 (2006.01); A24D 3/16 (2006.01); B01D 39/10 (2006.01); B01D 39/20 (2006.01); B01D 39/16 (2006.01); A24F 1/02 (2006.01); A24F 7/04 (2006.01)
CPC A24D 3/04 (2013.01) [A24D 3/10 (2013.01); A24D 3/16 (2013.01); A24D 3/163 (2013.01); A24F 1/02 (2013.01); A24F 7/04 (2013.01); B01D 39/10 (2013.01); B01D 39/1615 (2013.01); B01D 39/2055 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A smoke filter apparatus to modify a particulate or gas phase of a smoke from a smoked material, wherein the smoke filter apparatus comprises:
a plurality of nesting stems, wherein the plurality of nesting stems form a segmented conduit through which the smoke from the smoked material passes; and
one or more filters within the segmented conduit, wherein the one or more filters are held by one or more grommets;
wherein the plurality of nesting stems comprises a first nesting stem, a second nesting stem, a third nesting stem, and a fourth nesting stem, wherein the first nesting stem comprises a first upstream end and a first downstream end, wherein the second nesting stem comprises a second upstream end and a second downstream end, wherein the third nesting stem comprises a third upstream end and a third downstream end, and wherein the fourth nesting stem comprises a fourth upstream end and a fourth downstream end, wherein the first downstream end of the first nesting stem is held by a first friction fitting within the second upstream end of the second nesting stem, wherein the second downstream end of the second nesting stem is held by a second friction fitting within the third upstream end of the third nesting stem, and wherein the third downstream end of the third nesting stem is held by a third friction fitting within the fourth upstream end of the fourth nesting stem.