Assignee
DURIRON CO
US·26 granted patents·844 citations·filing 1973–1997
Top patents by PatentIndex Score
26 records- 0196US4432798AAluminosilicate hydrogel bonded aggregate articlesDURIRON CO·Filed 1981·Granted Feb 21, 1984·101 cites·23 claims
- 0291US4846906AMethods for the manufacture of porous ceramic shapes containing membraneous surfacesDURIRON CO·Filed 1987·Granted Jul 11, 1989·33 cites·11 claims
- 0391US4738713AMethod for induction melting reactive metals and alloysDURIRON CO·Filed 1986·Granted Apr 19, 1988·94 cites·7 claims
- 0489US4871495AProcess for producing porous ceramic filter for filtering of particulates from diesel exhaust gasesDURIRON CO·Filed 1987·Granted Oct 3, 1989·68 cites·5 claims
- 0588US4774984ALow-noise plug valveDURIRON CO·Filed 1987·Granted Oct 4, 1988·47 cites·5 claims
- 0686US5336996AHall effect monitoring of wear of bearing supporting a rotor within a stationary housingDURIRON CO·Filed 1992·Granted Aug 9, 1994·74 cites·16 claims
- 0785US4357165AAluminosilicate hydrogel bonded granular compositions and method of preparing sameDURIRON CO·Filed 1980·Granted Nov 2, 1982·40 cites·27 claims
- 0883US4814300APorous ceramic shapes, compositions for the preparation thereof, and method for producing sameDURIRON CO·Filed 1987·Granted Mar 21, 1989·42 cites·18 claims
- 0973US4722664ALined corrosion resistant pumpDURIRON CO·Filed 1981·Granted Feb 2, 1988·33 cites·7 claims
- 1072US4923487ACross flow diesel particulate trapDURIRON CO·Filed 1988·Granted May 8, 1990·42 cites·21 claims
- 1171US4963515ALightweight hydrogel-bound aggregate shapes and process for producing sameDURIRON CO·Filed 1988·Granted Oct 16, 1990·23 cites·10 claims
- 1268US5746417AAdjustable ball valveDURIRON CO·Filed 1996·Granted May 5, 1998·32 cites·19 claims
- 1368US4812424AKiln furniture for the firing of ceramic articlesDURIRON CO·Filed 1987·Granted Mar 14, 1989·20 cites·7 claims
- 1468US3995868APolytetrafluoroethylene lip sealDURIRON CO·Filed 1973·Granted Dec 7, 1976·22 cites·6 claims
- 1563US4560607AMethod of joining materials by mechanical interlock and articleDURIRON CO·Filed 1984·Granted Dec 24, 1985·42 cites·24 claims
- 1660US4096051ATubular anode for cathodic protectionDURIRON CO·Filed 1974·Granted Jun 20, 1978·11 cites·8 claims
- 1758US4312961APolymeric fluorocarbon rotomolding/rotolining compositionDURIRON CO·Filed 1981·Granted Jan 26, 1982·17 cites·18 claims
- 1857US4878947AMethod for manufacture of porous refractory articlesDURIRON CO·Filed 1988·Granted Nov 7, 1989·14 cites·11 claims
- 1952US4711264APlug valveDURIRON CO·Filed 1986·Granted Dec 8, 1987·17 cites·3 claims
- 2052US4373543AFire resistant seat for flow control valveDURIRON CO·Filed 1981·Granted Feb 15, 1983·15 cites·5 claims
- 2145US4268371ACable guide for a tubular anodeDURIRON CO·Filed 1980·Granted May 19, 1981·10 cites·3 claims
- 2243US4968423AFilter leafDURIRON CO·Filed 1986·Granted Nov 6, 1990·17 cites·8 claims
- 2340US5900083AHeat treatment of cast alpha/beta metals and metal alloys and cast articles which have been so treatedDURIRON CO·Filed 1997·Granted May 4, 1999·10 cites·13 claims
- 2438US4701291AProcess of isostatic molding and bonding fluoropolymersDURIRON CO·Filed 1986·Granted Oct 20, 1987·11 cites·5 claims
- 2531US4479873ALight controlled apparatus for moving filter press platesDURIRON CO·Filed 1983·Granted Oct 30, 1984·6 cites·8 claims
- 2629US5807086ASeal chamber splash guardDURIRON CO·Filed 1996·Granted Sep 15, 1998·3 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when DURIRON CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →