Janik; Leon P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Janik; Leon P..The latest application filed is for "filter change indicator".
Company Profile
0.42.15
- Janik; Leon P. - Suffield CT
Patent Activity
| Patent | Date |
|---|---|
| Liquid visual display Grant 7,442,292 - Janik , et al. October 28, 2 | 2008-10-28 |
| Filter change indicator Grant 7,412,896 - Janik , et al. August 19, 2 | 2008-08-19 |
| Filter change indicator Grant 7,360,433 - Janik , et al. April 22, 2 | 2008-04-22 |
| Filter change indicator App 20070137305 - Janik; Leon P. ; et al. | 2007-06-21 |
| Filter change indicator App 20070125179 - Janik; Leon P. ; et al. | 2007-06-07 |
| Liquid visual display App 20070068855 - Janik; Leon P. ; et al. | 2007-03-29 |
| Drain valve alignment system for filter assembly App 20070034560 - Janik; Leon P. ; et al. | 2007-02-15 |
| Filter change indicator Grant 7,137,303 - Janik , et al. November 21, 2 | 2006-11-21 |
| Filter change indicator App 20060042392 - Janik; Leon P. ; et al. | 2006-03-02 |
| Base receptacle for filter cartridge incorporating a peripheral compatibility matrix Grant 6,911,143 - Janik June 28, 2 | 2005-06-28 |
| Eccentric interference retention system for a filter cartridge Grant 6,881,334 - Janik April 19, 2 | 2005-04-19 |
| Filter cartridge incorporating a peripheral compatibility matrix Grant 6,863,811 - Janik March 8, 2 | 2005-03-08 |
| Base receptacle with fixed retainer for filter cartridge incorporating a peripheral compatibility matrix Grant 6,843,911 - Janik , et al. January 18, 2 | 2005-01-18 |
| Filter cartridge with grommet spring Grant 6,755,308 - Janik , et al. June 29, 2 | 2004-06-29 |
| Key track system Grant 6,740,234 - Williams , et al. May 25, 2 | 2004-05-25 |
| Base receptacle for filter cartridge incorporating a peripheral compatibility matrix App 20040084360 - Janik, Leon P. | 2004-05-06 |
| Base receptacle with fixed retainer for filter cartridge incorporating a peripheral compatibility matrix App 20040084361 - Janik, Leon P. ; et al. | 2004-05-06 |
| Filter cartridge incorporating a peripheral compatibility matrix App 20040084363 - Janik, Leon P. | 2004-05-06 |
| Eccentric interference retention system for a filter cartridge App 20040084362 - Janik, Leon P. | 2004-05-06 |
| Filter cartridge Grant D484,568 - Janik , et al. December 30, 2 | 2003-12-30 |
| Filter cartridge Grant D479,300 - Janik , et al. September 2, 2 | 2003-09-02 |
| Key system for ecological filter cartridge and element Grant 6,506,302 - Janik January 14, 2 | 2003-01-14 |
| Filter system base module with self-locking cartridge retainer Grant 6,500,335 - Janik , et al. December 31, 2 | 2002-12-31 |
| Ecological fuel filter cartridge and element Grant 6,471,070 - Janik October 29, 2 | 2002-10-29 |
| Filter cartridge with grommet spring App 20020113005 - Janik, Leon P. ; et al. | 2002-08-22 |
| Base Module For Filter System App 20020043491 - JANIK, LEON P. ; et al. | 2002-04-18 |
| Ecological fuel filter cartridge and element App 20020014452 - Janik, Leon P. | 2002-02-07 |
| Multi-configurable filter base module and manufacturing method therefor App 20020014451 - Janik, Leon P. ; et al. | 2002-02-07 |
| Filter system base module with self-locking cartridge retainer App 20010045385 - Janik, Leon P. ; et al. | 2001-11-29 |
| Key system for ecological filter cartridge and element App 20010042709 - Janik, Leon P. | 2001-11-22 |
| Filter cartridge retention system Grant 6,187,188 - Janik , et al. February 13, 2 | 2001-02-13 |
| Filter cartridge Grant D435,631 - Janik , et al. December 26, 2 | 2000-12-26 |
| Filter assembly with conformal cartridge support structure Grant 6,048,455 - Janik April 11, 2 | 2000-04-11 |
| Water baffle for filter cartridge Grant 5,938,921 - Janik , et al. August 17, 1 | 1999-08-17 |
| Primer system for filter assembly Grant 5,868,931 - Janik , et al. February 9, 1 | 1999-02-09 |
| Base/cartridge location and key system for fuel filter assembly Grant 5,837,137 - Janik November 17, 1 | 1998-11-17 |
| Fuel circuit and circulation method for fuel injection system Grant 5,794,598 - Janik , et al. August 18, 1 | 1998-08-18 |
| Fuel filter cartridge Grant 5,766,463 - Janik , et al. June 16, 1 | 1998-06-16 |
| Fuel filter master module with optional diverter capability Grant 5,614,091 - Janik , et al. March 25, 1 | 1997-03-25 |
| Fuel filter with improved hand primer Grant 5,578,221 - Janik November 26, 1 | 1996-11-26 |
| Fuel filter with internal vent Grant 5,525,225 - Janik , et al. June 11, 1 | 1996-06-11 |
| Single stage fuel filter with seal control air purge Grant 5,489,384 - Janik , et al. February 6, 1 | 1996-02-06 |
| Module for filter assembly base Grant 5,484,527 - Janik , et al. January 16, 1 | 1996-01-16 |
| Filter base assembly Grant 5,474,676 - Janik , et al. December 12, 1 | 1995-12-12 |
| Fuel filter with internal vent Grant 5,413,711 - Janik May 9, 1 | 1995-05-09 |
| Fuel filter cartridge Grant D356,852 - Janik , et al. March 28, 1 | 1995-03-28 |
| Dry change fuel filter system Grant 5,312,546 - Janik May 17, 1 | 1994-05-17 |
| Fuel filter assembly with modular drain bowl Grant 5,236,579 - Janik , et al. August 17, 1 | 1993-08-17 |
| Fuel filter retention system Grant 5,203,994 - Janik April 20, 1 | 1993-04-20 |
| Fuel filter key system Grant 5,186,829 - Janik February 16, 1 | 1993-02-16 |
| Fuel filter Grant 5,084,170 - Janik , et al. * January 28, 1 | 1992-01-28 |
| Key system for filter assembly Grant 5,035,797 - Janik July 30, 1 | 1991-07-30 |
| Fuel filter and cartridge assembly Grant 5,017,285 - Janik , et al. May 21, 1 | 1991-05-21 |
| Fuel filter Grant 4,976,852 - Janik , et al. December 11, 1 | 1990-12-11 |
| Fuel injection nozzle Grant 4,938,193 - Raufeisen , et al. July 3, 1 | 1990-07-03 |
| Crankcase oil spray nozzle for piston cooling Grant 4,862,838 - Hodgkins , et al. September 5, 1 | 1989-09-05 |
| Method of assembling a fuel nozzle assembly Grant 4,790,055 - Raufeisen , et al. December 13, 1 | 1988-12-13 |
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