Inventor · disambiguated record
Mack Mcdougald
Also filed as: MCDOUGALD MACK · MCDOUGALD MACK D
9 granted patents·190 citations·filing 1993–1997
88Inventor score
Technology areasB01D
Top patents by PatentIndex Score
9 records- 0193US5401405ACombined air/water backwash in a travelling bridge filterDAVIS WATER & WASTE IND INC·Filed 1993·Granted Mar 28, 1995·117 cites·15 claims
- 0253US6093329AAir scour/backwash apparatus for celless traveling bridge filterUNITED STATES FILTER CORP·Filed 1996·Granted Jul 25, 2000·20 cites·21 claims
- 0351US5759412AControl method and apparatus for backwash of filter media bed based water volume in filter basinUNITED STATES FILTER CORP·Filed 1996·Granted Jun 2, 1998·19 cites·10 claims
- 0446US5554281ATraveling bridge filter system and associated underdrainDAVIS WATER & WASTE IND INC·Filed 1995·Granted Sep 10, 1996·16 cites·21 claims
- 0537US5476584ABackwash/rewash traveling bridge filter and related processDAVIS WATER & WASTE IND INC·Filed 1993·Granted Dec 19, 1995·8 cites·16 claims
- 0634US5431809AApparatus for sealing a traveling bridge filter backwash shoeDAVIS WATER & WASTE IND INC·Filed 1994·Granted Jul 11, 1995·5 cites·11 claims
- 0732US5792359ASealing shoe for celless travelling bridge filterUNITED STATES FILTER CORP·Filed 1997·Granted Aug 11, 1998·4 cites·20 claims
- 0828US5599459AMethod for sealing a traveling bridge filter backwash shoeDAVIS WATER & WASTE IND INC·Filed 1995·Granted Feb 4, 1997·0 cites·6 claims
- 0928US5545334AMethod for sealing a traveling bridge filter backwash shoeDAVIS WATER & WASTE IND INC·Filed 1995·Granted Aug 13, 1996·1 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Mack Mcdougald files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →