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Hawkeye Concrete Products Co.
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Mediapolis, IA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Composite pallet for concrete pipe
Patent number
9,469,053
Issue date
Oct 18, 2016
Hawkeye Concrete Products Co.
Claudio Subacchi
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for handling spacers used in producing concrete pipe
Patent number
9,428,204
Issue date
Aug 30, 2016
Hawkeye Concrete Products Co.
Steven A. Nunnikhoven
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Composite pallets for molding concrete pipe
Patent number
9,139,333
Issue date
Sep 22, 2015
Hawkeye Concrete Products Co.
Claudio Subacchi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Concrete roller head
Patent number
8,979,520
Issue date
Mar 17, 2015
Hawkeye Concrete Products Co.
Claudio Subacchi
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Vibration system for concrete pipe making machines
Patent number
8,926,311
Issue date
Jan 6, 2015
Hawkeye Concrete Products Co.
Jon A. Schmidgall
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Apparatus and method for destructive load testing
Patent number
8,474,325
Issue date
Jul 2, 2013
Hawkeye Concrete Products Co.
Ronald D. Schmidgall
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for protecting lined concrete pipe during the...
Patent number
7,832,703
Issue date
Nov 16, 2010
Hawkeye Concrete Products Co.
Jon A. Schmidgall
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Vibration system for concrete pipe making machines
Patent number
7,083,406
Issue date
Aug 1, 2006
Hawkeye Concrete Products Co.
David Stoller
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Apparatus and method for removing joint rings from cured concrete p...
Patent number
6,817,589
Issue date
Nov 16, 2004
Hawkeye Concrete Products Co.
Jon A. Schmidgall
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Automated feed system for pipe making machine
Patent number
5,792,484
Issue date
Aug 11, 1998
Hawkeye Concrete Products Co.
Ronald D. Schmidgall
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Collapsible core for concrete pipe making apparatus
Patent number
5,720,993
Issue date
Feb 24, 1998
Hawkeye Concrete Products Co.
Jon A. Schmidgall
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Collapsible core seam cover for concrete making apparatus
Patent number
5,679,279
Issue date
Oct 21, 1997
Hawkeye Concrete Products Co.
Jon A. Schmidgall
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Automated system for handling and cleaning concrete pipe-making com...
Patent number
5,587,185
Issue date
Dec 24, 1996
Hawkeye Concrete Products Co.
Hartzell H. Schmidgall
B08 - CLEANING
Information
Patent Grant
Automated pipe making machine
Patent number
5,234,331
Issue date
Aug 10, 1993
Hawkeye Concrete Products Co.
Ronald D. Schmidgall
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Spacer for double cage reinforcement wire mesh for concrete products
Patent number
4,999,965
Issue date
Mar 19, 1991
Hawkeye Concrete Products Co.
Jon A. Schmidgall
E04 - BUILDING
Information
Patent Grant
Spacer for spacing reinforcing mesh wire from the form in the manuf...
Patent number
4,989,388
Issue date
Feb 5, 1991
Hawkeye Concrete Products Co.
Jon A. Schmidgall
E04 - BUILDING
Information
Patent Grant
Concrete pipe making machine
Patent number
4,708,621
Issue date
Nov 24, 1987
Hawkeye Concrete Products Co.
Hartzell H. Schmidgall
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for lining pipe
Patent number
4,578,235
Issue date
Mar 25, 1986
Hawkeye Concrete Products Co.
Jon A. Schmidgall
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Canopy kiln system
Patent number
4,412,817
Issue date
Nov 1, 1983
Hawkeye Concrete Products Co.
Ronald D. Schmidgall
F26 - DRYING
Patents Applications
last 30 patents
Information
Patent Application
COMPOSITE PALLET FOR CONCRETE PIPE
Publication number
20170001334
Publication date
Jan 5, 2017
Hawkeye Concrete Products Co.
Claudio SUBACCHI
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
PACKERHEAD MACHINE
Publication number
20160236374
Publication date
Aug 18, 2016
Hawkeye Concrete Products Co.
Claudio SUBACCHI
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
CONCRETE PRODUCTS LOCKING CAGE SPACER
Publication number
20160040442
Publication date
Feb 11, 2016
Hawkeye Concrete Products Co.
Dave STRABALA
E04 - BUILDING
Information
Patent Application
LINER FOR CONCRETE ARTICLE
Publication number
20150330535
Publication date
Nov 19, 2015
Hawkeye Concrete Products Co.
Claudio SUBACCHI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
REINFORCED CONCRETE PIPE
Publication number
20150323104
Publication date
Nov 12, 2015
Hawkeye Concrete Products Co.
Claudio SUBACCHI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
COMPOSITE PALLET FOR CONCRETE PIPE
Publication number
20150202801
Publication date
Jul 23, 2015
Hawkeye Concrete Products Co.
Claudio SUBACCHI
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POST-TENSIONING CONCRETE PIPE WRAP
Publication number
20140331580
Publication date
Nov 13, 2014
Hawkeye Concrete Products Co.
Claudio SUBACCHI
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
CONCRETE PRODUCT CAGE SPACER
Publication number
20140308474
Publication date
Oct 16, 2014
Hawkeye Concrete Products Co.
Claudio SUBACCHI
E04 - BUILDING
Information
Patent Application
CONCRETE ROLLER HEAD
Publication number
20130302462
Publication date
Nov 14, 2013
Hawkeye Concrete Products Co.
Claudio SUBACCHI
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
COMPOSITE PALLETS FOR CONCRETE PIPE
Publication number
20130291766
Publication date
Nov 7, 2013
Hawkeye Concrete Products Co.
Claudio SUBACCHI
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
METHOD FOR HANDLING SPACERS USED IN PRODUCING CONCRETE PIPE
Publication number
20130108410
Publication date
May 2, 2013
Hawkeye Concrete Products Co.
Steven A. NUNNIKHOVEN
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
TANGLE FREE SPACER CART
Publication number
20110057403
Publication date
Mar 10, 2011
Hawkeye Concrete Products Co.
Steven A. NUNNIKHOVEN
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
APPARATUS AND METHOD FOR PROTECTING LINED CONCRETE PIPE DURING THE...
Publication number
20100178373
Publication date
Jul 15, 2010
Hawkeye Concrete Products Co.
JON A. SCHMIDGALL
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Apparatus and method for removing joint rings from cured concrete p...
Publication number
20030155671
Publication date
Aug 21, 2003
Hawkeye Concrete Products Co.
Jon A. Schmidgall
B28 - WORKING CEMENT, CLAY, OR STONE
Trademark
last 30 trademarks