Membership
Tour
Register
Log in
David Francis Hesketh
Follow
Person
Fort Mill, SC, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
In-line rail valve
Patent number
12,030,725
Issue date
Jul 9, 2024
Spiroflow Systems, Inc.
David Francis Hesketh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Integrated magnetic particle separating valve and method
Patent number
10,940,487
Issue date
Mar 9, 2021
Spiroflow Systems, Inc.
David Francis Hesketh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Tensioning assembly for cable drag conveyor with tensioning assembl...
Patent number
9,033,136
Issue date
May 19, 2015
Spiroflow Systems, Inc.
David Francis Hesketh
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Discharger for side-secured bag spout
Patent number
8,777,060
Issue date
Jul 15, 2014
Spiroflow Systems, Inc.
David Francis Hesketh
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Dynamic tension control apparatus and method for aero-mechanical co...
Patent number
7,798,313
Issue date
Sep 21, 2010
Spiroflow Systems, Inc.
David Francis Hesketh
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Tension control apparatus and method for aero-mechanical conveyor
Patent number
6,598,736
Issue date
Jul 29, 2003
Spiroflow Systems, Inc.
Peter J. Ellis
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Tension control apparatus and method for aero-mechanical conveyor
Patent number
6,439,377
Issue date
Aug 27, 2002
Spiroflow Systems, Inc.
Peter J. Ellis
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
IN-LINE RAIL VALVE
Publication number
20230365337
Publication date
Nov 16, 2023
SPIROFLOW SYSTEMS, INC.
David Francis Hesketh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
INTEGRATED MAGNETIC PARTICLE SEPARATING VALVE AND METHOD
Publication number
20190255535
Publication date
Aug 22, 2019
SPIROFLOW SYSTEMS, INC.
David Francis Hesketh
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
TENSIONING ASSEMBLY FOR CABLE DRAG CONVEYOR WITH TENSIONING ASSEMBL...
Publication number
20150041285
Publication date
Feb 12, 2015
SPIROFLOW SYSTEMS, INC.
David Francis Hesketh
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
DISCHARGER FOR SIDE-SECURED BAG SPOUT
Publication number
20130181007
Publication date
Jul 18, 2013
David Francis Hesketh
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
DYNAMIC TENSION CONTROL APPARATUS AND METHOD FOR AERO-MECHANICAL CO...
Publication number
20080289935
Publication date
Nov 27, 2008
SPIROFLOW SYSTEMS, INC.
David Francis Hesketh
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Tension control apparatus and method for aero-mechanical conveyor
Publication number
20020175054
Publication date
Nov 28, 2002
Peter J. Ellis
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Flexible screw conveyor with center tensioning core
Publication number
20020088691
Publication date
Jul 11, 2002
David Hesketh
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL