Assignee
AHLMANN ACO SEVERIN
DE·20 granted patents·4 pending applications·336 citations·filing 1982–2013
Top patents by PatentIndex Score
24 records- 0183US7144185B2Street grid for surface drainageAHLMANN ACO SEVERIN·Filed 2005·Granted Dec 5, 2006·26 cites·6 claims
- 0281US4472078AFrame for draining ditchesAHLMANN ACO SEVERIN·Filed 1982·Granted Sep 18, 1984·42 cites·8 claims
- 0377US4560302ADraining ditch for draining of roadwaysAHLMANN ACO SEVERIN·Filed 1984·Granted Dec 24, 1985·35 cites·17 claims
- 0472US7931421B2GratingAHLMANN ACO SEVERIN·Filed 2007·Granted Apr 26, 2011·16 cites·20 claims
- 0569US7293937B2Cover arrangementAHLMANN ACO SEVERIN·Filed 2004·Granted Nov 13, 2007·28 cites·9 claims
- 0669US7008137B2Cover for a drainage arrangement and a method of producing such an arrangementAHLMANN ACO SEVERIN·Filed 2001·Granted Mar 7, 2006·15 cites·6 claims
- 0769US5462382ASurface drainage apparatusAHLMANN ACO SEVERIN·Filed 1993·Granted Oct 31, 1995·33 cites·17 claims
- 0862US9169630B2Cover elementAHLMANN ACO SEVERIN·Filed 2013·Granted Oct 27, 2015·2 cites·11 claims
- 0961US6945733B2Cover for a drainage deviceAHLMANN ACO SEVERIN·Filed 2002·Granted Sep 20, 2005·24 cites·19 claims
- 1060US5466091ASurface drainage apparatusAHLMANN ACO SEVERIN·Filed 1993·Granted Nov 14, 1995·28 cites·29 claims
- 1157US5437516ASurface drainage apparatusAHLMANN ACO SEVERIN·Filed 1993·Granted Aug 1, 1995·27 cites·11 claims
- 1251US7491017B2Surface drainage systemAHLMANN ACO SEVERIN·Filed 2006·Granted Feb 17, 2009·1 cites·9 claims
- 1351US2015233081A1CoverAHLMANN ACO SEVERIN·Filed 2013·Application pending·0 cites
- 1448US7524133B2Surface water drainage systemAHLMANN ACO SEVERIN·Filed 2004·Granted Apr 28, 2009·8 cites·11 claims
- 1545US7059804B2Drainage deviceAHLMANN ACO SEVERIN·Filed 2002·Granted Jun 13, 2006·6 cites·14 claims
- 1644US5335624AFeed and drink feederAHLMANN ACO SEVERIN·Filed 1993·Granted Aug 9, 1994·17 cites·11 claims
- 1743US2009038235A1Grating with a plate detachably mounted in a frame for covering a drainage channelAHLMANN ACO SEVERIN·Filed 2005·Application pending·0 cites
- 1841US5468096AMeans for securing a cover over a drainage channelAHLMANN ACO SEVERIN·Filed 1993·Granted Nov 21, 1995·13 cites·16 claims
- 1940US2007223997A1Covered Plastic LockAHLMANN ACO SEVERIN·Filed 2005·Application pending·0 cites
- 2036US7458745B2Drainage channelAHLMANN ACO SEVERIN·Filed 2004·Granted Dec 2, 2008·1 cites·9 claims
- 2135US2007122237A1Fixing deviceAHLMANN ACO SEVERIN·Filed 2004·Application pending·0 cites
- 2228US6793439B1Securing device for a drainage channelAHLMANN ACO SEVERIN·Filed 1999·Granted Sep 21, 2004·7 cites·18 claims
- 2327US5518336ADrainage gutter and method of installingAHLMANN ACO SEVERIN·Filed 1994·Granted May 21, 1996·3 cites·19 claims
- 2416US5365885ADrop stallAHLMANN ACO SEVERIN·Filed 1993·Granted Nov 22, 1994·4 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when AHLMANN ACO SEVERIN 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 →