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Inventor

SMITH DAVID RICHARD

US6 patents
⚠️ This page may combine multiple inventors who share the name “SMITH DAVID RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNVERFERTH MFG CO INC

3 patents
US7690499B2Apr 6, 2010

Tube conveyor with sealing belt edges

UNVERFERTH MFG CO INC23 citations90
US7537198B2May 26, 2009

Direct double-acting in-line shut-off gate valve

UNVERFERTH MFG CO INC6 citations60
US9745123B2Aug 29, 2017

Seed carrier with pivoting conveyor

UNVERFERTH MFG CO INC0 citations49

PETERSEN BRIAN JAMES

2 patents
US8221047B2Jul 17, 2012

Seed carrier with pivoting conveyor

PETERSEN BRIAN JAMES26 citations88
US8967940B2Mar 3, 2015

Seed carrier with pivoting conveyor

PETERSEN BRIAN JAMES13 citations80

MAENLE WILLIAM C

1 patent
US8960512B2Feb 24, 2015

Cast back clamp and mounting component

MAENLE WILLIAM C9 citations72