WW

Wayne M. Wagner

DC Donaldson Company: 76 patents #4 of 695Top 1%
FC Firestone Building Products Company: 6 patents #10 of 68Top 15%
📍 Apple Valley, MN: #3 of 500 inventorsTop 1%
🗺 Minnesota: #295 of 52,454 inventorsTop 1%
Overall (All Time): #20,224 of 4,157,543Top 1%
85
Patents All Time

Issued Patents All Time

Showing 26–50 of 85 patents

Patent #TitleCo-InventorsDate
6550573 Muffler with catalytic converter arrangement, and method Marty Barris, Douglas E. Flemming, James C. Rothman, Peter A. Betts 2003-04-22
6508277 Flexible pipe with compressed ends Julian A. Imes, John T. Herman 2003-01-21
6354398 Mufflers for use with engine retarders; and methods Theodore G. Angelo, John Edward Hamrin, Eivind Stenersen, John Hiemstra, Ted J. Wiegandt 2002-03-12
D451790 Bent bolt clamp James P. Shields 2001-12-11
6311736 Flexible hose and method for manufacturing John T. Herman, Michael J. Protas 2001-11-06
6305054 Exhaust system clamp Julian A. Imes, John T. Herman, James P. Shields 2001-10-23
6234541 U-bolt clamp for sealing lap joints John T. Herman, Michael J. Protas, James P. Shields 2001-05-22
D442538 Mounting arrangement for muffler Eivind Stenersen, David E. Winnes 2001-05-22
6213146 Valve assembly for preventing liquid ingestion and methods Daniel T. Risch, Gary R. Gillingham, Fred H. Wahlquist, Joseph C. Tokar, Bernard A. Matthys +1 more 2001-04-10
6209559 Valve assembly for preventing liquid ingestion and methods Daniel T. Risch, Gary R. Gillingham, Fred H. Wahlquist, Joseph C. Tokar, Bernard A. Matthys +1 more 2001-04-03
D436028 U-bolt clamp John T. Herman, Michael J. Protas, James P. Shields 2001-01-09
D434360 Mounting arrangement for muffler Eivind Stenersen, David E. Winnes 2000-11-28
6148519 Apparatus for installing a packing material in a muffler assembly; and methods thereof Eivind Stenersen, Daniel T. Risch 2000-11-21
6123369 Pipe lap joint and methods John T. Herman, Michael J. Protas 2000-09-26
6116659 Band clamp for sealing lap joints and method thereof 2000-09-12
D428128 Conical filter Gary R. Gillingham, Joseph C. Tokar, Daniel T. Risch, Jim C. Rothman, Steven A. Carter 2000-07-11
6082487 Mufflers for use with engine retarders; and methods Theodore G. Angelo, John Edward Hamrin, Eivind Stenersen, John Hiemstra, Ted J. Wiegandt 2000-07-04
6048386 Integrated resonator and filter apparatus Gary R. Gillingham, Daniel T. Risch, Joseph C. Tokar, Bernard A. Matthys, Edward A. Steinbrueck 2000-04-11
6009898 Valve assembly for preventing liquid ingestion and methods Daniel T. Risch, Gary R. Gillingham, Fred H. Wahlquist, Joseph C. Tokar, Bernard A. Matthys +1 more 2000-01-04
5902364 Conical filter Joseph C. Tokar, Gary R. Gillingham, Daniel T. Risch, Jim C. Rothman, Fred H. Wahlquist +2 more 1999-05-11
5895574 Rolled liquid filter using fluted media Francis A. Friedmann, Gary R. Gillingham, Bernard A. Matthys, Daniel T. Risch, Fred H. Wahlquist 1999-04-20
5880413 Assembly for mounting of a muffler; combination and method Eivind Stenersen, David E. Winnes 1999-03-09
5828013 Muffler with catalytic converter arrangement; and method Marty Barris, Douglas E. Flemming, James C. Rothman, Peter A. Betts 1998-10-27
D399944 Conical filter Gary R. Gillingham, Joseph C. Tokar, Daniel T. Risch, Jim C. Rothman, Steven A. Carter 1998-10-20
5820646 Inline filter apparatus Gary R. Gillingham, Joseph C. Tokar, Daniel T. Risch, Jim C. Rothman, Fred H. Wahlquist 1998-10-13