DS

Donald W. Smith

BA Barber-Greene: 6 patents #1 of 19Top 6%
IN Ingersoll-Rand: 4 patents #125 of 828Top 20%
GI Gala Industies: 3 patents #15 of 72Top 25%
CL Cmi Limited: 3 patents #10 of 62Top 20%
AS American Specialties: 2 patents #1 of 6Top 20%
Caterpillar: 1 patents #4,437 of 8,398Top 55%
AS Atlas Copco Drilling Solutions: 1 patents #8 of 19Top 45%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
WI Wexco Incorporated: 1 patents #5 of 10Top 50%
Overall (All Time): #177,322 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12227990 Interlocking molding with sightline elimination flange for toilet and other partitions Douglas Hitchon, Andrew Neil McCall, Matthew Stepp 2025-02-18
12060750 Process for manufacturing an interlocking molding with sightline elimination flange for toilet and other partitions Douglas Hitchon, Andrew Neil McCall, Matthew Stepp 2024-08-13
9759020 Rod and rod cup alignment apparatus for drilling machine Luke Bender 2017-09-12
6887322 High pressure cylinders including backing steel with tool steel lining Calvin D. Lundeen 2005-05-03
6675915 Drilling machine having a rotary head guide 2004-01-13
6672410 Drilling machine having a feed cable tensioner 2004-01-06
5740702 Device for spinning drill pipe in a drill rig 1998-04-21
5624688 Self-aligning cutter hub Donald E. Adams 1997-04-29
5388652 Apparatus on a drilling tower for gripping a drill casing 1995-02-14
5114267 Integrated paver with windrow pick-up capability James J. Plociennik, George Goehst, Andrew W. Green 1992-05-19
5035534 Apparatus for transferring an asphalt-aggregate mixture James D. Brock 1991-07-30
5015120 Methods and apparatus for making an asphalt-aggregate pavement James D. Brock, James H. Basset, John P. Renneck 1991-05-14
4960423 Method of enhancing the attachment of endothelial cells on a matrix and vascular prosthesis with enhanced anti-thrombogenic characteristics 1990-10-02
4955754 Shock absorbing device for a paving machine 1990-09-11
4944630 Connector and method of connection between a road making machine and the fifth wheel of a tractor James D. Brock, James H. Bassett 1990-07-31
4861191 Road widener James J. Plociennik 1989-08-29
4818139 Methods and apparatus for making an asphalt-aggregate pavement James D. Brock, John P. Renneck 1989-04-04
4728276 Underwater pelletizer General J. Pauley, Dennis M. Chaney, Samuel F. Hannah, J. Wayne Martin 1988-03-01
4500271 Underwater pelletizer with adjustable blade assembly 1985-02-19
4453821 Set-up recall apparatus 1984-06-12
4325580 Roadway planing apparatus George W. Swisher, Jr., Carl Denver Parker 1982-04-20
4270801 Steering and cutter drum positioning in a paved roadway planing machine George W. Swisher, Jr., Larry W. Teel 1981-06-02
D256466 Road planing machine Larry W. Teel 1980-08-19