JP

John W. Pfeiffer

TI The Young Industries: 19 patents #2 of 22Top 10%
KO Koppers: 2 patents #22 of 126Top 20%
📍 Hughesville, PA: #1 of 15 inventorsTop 7%
🗺 Pennsylvania: #2,974 of 74,527 inventorsTop 4%
Overall (All Time): #197,917 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
7967546 System and method for handling containers of bulk particulate materials James E. Mothersbaugh, Anthony Boroch 2011-06-28
7384230 System and method for handling containers of bulk particulate materials James E. Mothersbaugh, Anthony Boroch 2008-06-10
7073985 System for pneumatically conveying bulk particulate materials James E. Mothersbaugh 2006-07-11
7063493 System and method for handling containers of bulk particulate materials James E. Mothersbaugh, Anthony Boroch 2006-06-20
6964544 System for pneumatically conveying bulk particulate materials James E. Mothersbaugh 2005-11-15
6843633 System and apparatus for filling containers with bulk particulate materials 2005-01-18
6796749 System for pneumatically conveying bulk particulate materials James E. Mothersbaugh 2004-09-28
6764253 System and method for assuring fluidization of a material transported in a pneumatic conveying system 2004-07-20
6739358 System and apparatus for filling containers with bulk particulate materials 2004-05-25
6722822 System for pneumatically conveying bulk particulate materials James E. Mothersbaugh 2004-04-20
6719500 System for pneumatically conveying bulk particulate materials James E. Mothersbaugh 2004-04-13
6682290 System for handling bulk particulate materials James E. Mothersbaugh 2004-01-27
6609871 System for handling bulk particulate materials James E. Mothersbaugh 2003-08-26
6345936 Bulk material conveying system and ejector therefor 2002-02-12
6345935 Vacuum system for particulate materials and an improved ejector device therefor 2002-02-12
6254315 Eductor wand for bulk particulate materials 2001-07-03
6234722 Vacuum system for particulate materials and an ejector device therefor 2001-05-22
5899641 Bulk material conveying system and ejector therefor 1999-05-04
5769572 Bag dumping station vacuum 1998-06-23
5746796 Air filtration apparatus and filter cartridge retaining means therefor Richard W. Ambs, Mary Reiner, Howard E. Stugard 1998-05-05
4565305 Rotary vane valve John G. Fischer, Kenneth A. Heaton 1986-01-21
4556079 Rotary vane valve including means for ensuring uniform distribution of purge gas 1985-12-03