Inventor
WILLIAMS ROGER D
US15 patents
⚠️ This page may combine multiple inventors who share the name “WILLIAMS ROGER D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PNEUMAFIL CORP
12 patentsUS5906752AMay 25, 1999
Self-cleaning belt filter with edge sealing means and method
PNEUMAFIL CORP26 citations92
US5560835AOct 1, 1996
Pleated belt filter with suction means to remove debris
PNEUMAFIL CORP39 citations92
US5346519ASep 13, 1994
Filter media construction
PNEUMAFIL CORP36 citations92
US5217512AJun 8, 1993
Apparatus for filtering debris from a moving airstream
PNEUMAFIL CORP41 citations92
US5116395AMay 26, 1992
Dust collection with programmable cleaning air control
PNEUMAFIL CORP41 citations92
US5110331AMay 5, 1992
Dust collector with re-entrainment prevention walls
PNEUMAFIL CORP25 citations92
US5062872ANov 5, 1991
Air filter with horizontal filter elements
PNEUMAFIL CORP49 citations92
US4725292AFeb 16, 1988
Self-cleaning filter
PNEUMAFIL CORP49 citations92
US5061303AOct 29, 1991
Snap-in filter unit
PNEUMAFIL CORP45 citations89
US5584913ADec 17, 1996
Dust collector with two stage self-cleaning of filter elements
PNEUMAFIL CORP11 citations73
US5000767AMar 19, 1991
Dust collector with pneumatic seal
PNEUMAFIL CORP12 citations70
US5490392AFeb 13, 1996
Heat transfer method and apparatus
PNEUMAFIL CORP6 citations60