Assignee
BHA GROUP HOLDINGS INC
US·24 granted patents·698 citations·filing 1992–2003
Top patents by PatentIndex Score
24 records- 0190US6440188B1Air filter assembly capable of top and bottom loadingBHA GROUP HOLDINGS INC·Filed 2000·Granted Aug 27, 2002·52 cites·14 claims
- 0286US6358292B1Pleated filter element with reusable mounting plateBHA GROUP HOLDINGS INC·Filed 2000·Granted Mar 19, 2002·40 cites·18 claims
- 0385US6752847B2High temperature polymer filtration mediumBHA GROUP HOLDINGS INC·Filed 2001·Granted Jun 22, 2004·26 cites·17 claims
- 0482US6611440B1Apparatus and method for filtering voltage for an electrostatic precipitatorBHA GROUP HOLDINGS INC·Filed 2002·Granted Aug 26, 2003·39 cites·22 claims
- 0582US5746792ADust collector filter element and supporting structureBHA GROUP HOLDINGS INC·Filed 1996·Granted May 5, 1998·67 cites·11 claims
- 0680US5885314AUnitary filter cartridgeBHA GROUP HOLDINGS INC·Filed 1997·Granted Mar 23, 1999·43 cites·21 claims
- 0778US6726735B1Unitary filter cartridgeBHA GROUP HOLDINGS INC·Filed 1999·Granted Apr 27, 2004·53 cites·17 claims
- 0877US6375698B1Long filter assembly with connection deviceBHA GROUP HOLDINGS INC·Filed 2000·Granted Apr 23, 2002·31 cites·11 claims
- 0976US6203591B1Baghouse, long filter assembly and method of installationBHA GROUP HOLDINGS INC·Filed 1998·Granted Mar 20, 2001·54 cites·24 claims
- 1074US6911144B2Filter cartridge with strap and methodBHA GROUP HOLDINGS INC·Filed 2002·Granted Jun 28, 2005·25 cites·22 claims
- 1174US5837017AApparatus for cleaning baghouse filtersBHA GROUP HOLDINGS INC·Filed 1996·Granted Nov 17, 1998·58 cites·9 claims
- 1273US6540812B2Method and system for improved rapper controlBHA GROUP HOLDINGS INC·Filed 2001·Granted Apr 1, 2003·32 cites·21 claims
- 1368US6233790B1Outer strap for air filter cartridgeBHA GROUP HOLDINGS INC·Filed 1999·Granted May 22, 2001·37 cites·3 claims
- 1466US6839251B2Apparatus and method for filtering voltage for an electrostatic precipitatorBHA GROUP HOLDINGS INC·Filed 2003·Granted Jan 4, 2005·17 cites·17 claims
- 1565US6628568B1System and method for verification of acoustic horn performanceBHA GROUP HOLDINGS INC·Filed 2002·Granted Sep 30, 2003·10 cites·34 claims
- 1664USRE37163EUnitary filter cartridgeBHA GROUP HOLDINGS INC·Filed 1998·Granted May 8, 2001·30 cites·7 claims
- 1760US6787031B2Filter cartridge with strap and methodBHA GROUP HOLDINGS INC·Filed 2002·Granted Sep 7, 2004·9 cites·4 claims
- 1859US6508934B2Filter cartridge with strap and methodBHA GROUP HOLDINGS INC·Filed 2000·Granted Jan 21, 2003·9 cites·18 claims
- 1958US5950441AMethod and apparatus for controlling an evaporative gas conditioning systemBHA GROUP HOLDINGS INC·Filed 1997·Granted Sep 14, 1999·18 cites·17 claims
- 2050US5760911AContinuous particulate emissions monitor calibratorBHA GROUP HOLDINGS INC·Filed 1994·Granted Jun 2, 1998·22 cites·13 claims
- 2143US6017378AUnitary filter cartridgeBHA GROUP HOLDINGS INC·Filed 1999·Granted Jan 25, 2000·9 cites·8 claims
- 2240USD435640SCombined cartridge filter and tube frame structureBHA GROUP HOLDINGS INC·Filed 1999·Granted Dec 26, 2000·4 cites·1 claims
- 2334US5785012AAcoustically enhanced combustion method and apparatusBHA GROUP HOLDINGS INC·Filed 1992·Granted Jul 28, 1998·9 cites·6 claims
- 2432US5890369AMethod for controlling an evaporative gas conditioning systemBHA GROUP HOLDINGS INC·Filed 1998·Granted Apr 6, 1999·4 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when BHA GROUP HOLDINGS 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 →