US 12,168,189 B2
Method and apparatus for catching silt
David Hart, Uniontown, OH (US); Michael Thompson, Las Vegas, NV (US); and Timothy Pierzynski, Apple Creek, OH (US)
Filed by David Hart, Uniontown, OH (US); Michael Thompson, Las Vegas, NV (US); and Timothy Pierzynski, Apple Creek, OH (US)
Filed on Jan. 3, 2020, as Appl. No. 16/733,775.
Claims priority of provisional application 62/917,845, filed on Jan. 4, 2019.
Prior Publication US 2020/0215465 A1, Jul. 9, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 29/23 (2006.01); B01D 35/157 (2006.01); F16K 51/00 (2006.01)
CPC B01D 29/23 (2013.01) [B01D 35/1573 (2013.01); F16K 51/00 (2013.01); B01D 2201/301 (2013.01); B01D 2201/4092 (2013.01); B01D 2201/52 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A material catching apparatus comprising:
a housing component adapted to fit within a valve box assembly;
a catchment component coupled to the housing component and adapted to retain material that enters the valve box assembly; and
a thread follower defining a helical surface extending around and generally perpendicular to an outer wall of the housing component, the thread follower adapted to interface with a threaded interior wall of the valve box assembly.