Assignee
GRAIN SYSTEMS INC
14 granted patents·431 citations·filing 1976–1995
Top patents by PatentIndex Score
14 records- 0192US5311839APoultry feederGRAIN SYSTEMS INC·Filed 1992·Granted May 17, 1994·65 cites·48 claims
- 0280US5462017APoultry feederGRAIN SYSTEMS INC·Filed 1993·Granted Oct 31, 1995·35 cites·23 claims
- 0379US4480534AGrain bin roof ventGRAIN SYSTEMS INC·Filed 1982·Granted Nov 6, 1984·55 cites·2 claims
- 0479US4137682AFloor system for grain binGRAIN SYSTEMS INC·Filed 1977·Granted Feb 6, 1979·34 cites·7 claims
- 0578US5218784AApparatus for opening and closing bin lid from belowGRAIN SYSTEMS INC·Filed 1991·Granted Jun 15, 1993·47 cites·22 claims
- 0675US5344363ARoof vent assembly for grain storage binGRAIN SYSTEMS INC·Filed 1991·Granted Sep 6, 1994·48 cites·4 claims
- 0775US4885985ASelf regulating grain bin wall air system and methodGRAIN SYSTEMS INC·Filed 1988·Granted Dec 12, 1989·25 cites·10 claims
- 0871USRE31368EFlour system for grain binGRAIN SYSTEMS INC·Filed 1980·Granted Sep 6, 1983·25 cites·7 claims
- 0970US4057112ASubsoil plowGRAIN SYSTEMS INC·Filed 1976·Granted Nov 8, 1977·22 cites·9 claims
- 1069US5513597AFeed conveying apparatusGRAIN SYSTEMS INC·Filed 1994·Granted May 7, 1996·22 cites·9 claims
- 1168US5566470AMetering grain unloader for tower dryerGRAIN SYSTEMS INC·Filed 1995·Granted Oct 22, 1996·21 cites·10 claims
- 1250US5474027AFeed intake cup apparatusGRAIN SYSTEMS INC·Filed 1994·Granted Dec 12, 1995·11 cites·13 claims
- 1346US5400525AFlame cone for grain bin dryerGRAIN SYSTEMS INC·Filed 1994·Granted Mar 28, 1995·16 cites·3 claims
- 1430US5135271ALatching apparatus for access covers on bulk storage structuresGRAIN SYSTEMS INC·Filed 1991·Granted Aug 4, 1992·5 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when GRAIN SYSTEMS INC 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 →