Inventor · disambiguated record
Friedrich B. Bielfeldt
Also filed as: BIELFELDT FRIEDRICH · BIELFELDT FRIEDRICH B · BIELFELDT FRIEDRICH BERND
60 granted patents·912 citations·filing 1971–2001
99Inventor score
Files withDIEFFENBACHER GMBH MASCHF55MACHINENFABRIK J DIEFFENBACHER2J DIEFFENBACHER GMBH & COMPANY1KRAUSS MAFFEI AG1MASHINENFABRIK J DIEFFENBACHER1
Top patents by PatentIndex Score
60 records- 0188US5538676AProcess and plant for the continuous production of particleboardsDIEFFENBACHER GMBH MASCHF·Filed 1994·Granted Jul 23, 1996·30 cites·13 claims
- 0286US4612081APressure equalizing pad for heated plate pressesDIEFFENBACHER GMBH MASCHF·Filed 1985·Granted Sep 16, 1986·32 cites·11 claims
- 0383US5611269AContinuously operating press for the production of particle boards, fiber boards or similar wood boards and plastic boardsDIEFFENBACHER GMBH MASCHF·Filed 1995·Granted Mar 18, 1997·25 cites·17 claims
- 0481US5762980AInstallation for the continuous production of boards of wood-based materialDIEFFENBACHER GMBH MASCHF·Filed 1997·Granted Jun 9, 1998·38 cites·12 claims
- 0579US5862612AMethod and system for dewatering carboniferous materials using a vaportight pressure chamberDIEFFENBACHER GMBH MASCHF·Filed 1996·Granted Jan 26, 1999·35 cites·36 claims
- 0679US5537919AMeasuring and control system for a continuously operating pressDIEFFENBACHER GMBH MASCHF·Filed 1994·Granted Jul 23, 1996·23 cites·19 claims
- 0778US5895546AProcess and plant for the continuous assembly and gluing of veneer panels to form veneer laminatesDIEFFENBACHER GMBH MASCHF·Filed 1997·Granted Apr 20, 1999·36 cites·8 claims
- 0876US5562028ALongitudinal and convex flexural deformation of a press plate/heating plate in a continuously operating pressDIEFFENBACHER GMBH MASCHF·Filed 1995·Granted Oct 8, 1996·21 cites·14 claims
- 0975US5900139AFilter press for reducing the water content of solid materials and/or sludgesDIEFFENBACHER GMBH MASCHF·Filed 1997·Granted May 4, 1999·19 cites·11 claims
- 1075US5579687AContinuously operating press for the production of particle boards, fiber boards or similar wood boards and plastic boardsDIEFFENBACHER GMBH MASCHF·Filed 1994·Granted Dec 3, 1996·19 cites·16 claims
- 1175US5253571AMethod for guiding steel bands about a longitudinal axis of a continuously working pressDIEFFENBACHER GMBH MASCHF·Filed 1993·Granted Oct 19, 1993·28 cites·7 claims
- 1274US5454304AApparatus for the continuous manufacture of chip boardsDIEFFENBACHER GMBH MASCHF·Filed 1995·Granted Oct 3, 1995·30 cites·11 claims
- 1374US5333541AMethod for guiding steel bands of a continuously working press by altering a position of a pressing ram to apply a varying pressure profile to a material being pressedDIEFFENBACHER GMBH MASCHF·Filed 1993·Granted Aug 2, 1994·26 cites·4 claims
- 1473US5433145AContinuously working press having entry systems for applying a variable pressure prior to a material being pressedDIEFFENBACHER GMBH MASCHF·Filed 1994·Granted Jul 18, 1995·16 cites·16 claims
- 1572US6290809B1Apparatus for the production of boards of wood-based materialDIEFFENBACHER GMBH MASCHF·Filed 1999·Granted Sep 18, 2001·26 cites·7 claims
- 1672US6054081AProcess for the continuous production of boards of wood-based materialDIEFFENBACHER GMBH MASCHF·Filed 1995·Granted Apr 25, 2000·27 cites·46 claims
- 1772US5337655AContinuously working press having entry systems for applying a variable pressure prior to a material being pressedDIEFFENBACHER GMBH MASCHF·Filed 1993·Granted Aug 16, 1994·25 cites·2 claims
- 1871US5213819AContinuously operating pressDIEFFENBACHER GMBH MASCHF·Filed 1992·Granted May 25, 1993·30 cites·11 claims
- 1970US5323696ADevice for guiding steel bandsDIEFFENBACHER GMBH MASCHF·Filed 1993·Granted Jun 28, 1994·23 cites·14 claims
- 2070US5088398AContinuously working pressDIEFFENBACHER GMBH MASCHF·Filed 1990·Granted Feb 18, 1992·17 cites·8 claims
- 2168US5862746AApparatus for reducing the water content of water-containing brown coalDIEFFENBACHER GMBH MASCHF·Filed 1997·Granted Jan 26, 1999·19 cites·14 claims
- 2267US6533890B1Method and steam press for the production of boards of ligneous materialDIEFFENBACHER GMBH MASCHF·Filed 2000·Granted Mar 18, 2003·14 cites·4 claims
- 2367US5096408AContinuously operating pressDIEFFENBACHER GMBH MASCHF·Filed 1991·Granted Mar 17, 1992·25 cites·8 claims
- 2465US4611983AInjection press for use in a transfer molding systemDIEFFENBACHER GMBH MASCHF·Filed 1984·Granted Sep 16, 1986·22 cites·7 claims
- 2564US5168738AControl system for a hydroelastic deep-drawing deviceDIEFFENBACHER GMBH MASCHF·Filed 1991·Granted Dec 8, 1992·16 cites·7 claims
- 2663US6402877B1Process for producing boards made of derived timber products or laminated veneer boardsDIEFFENBACHER GMBH MASCHF·Filed 1999·Granted Jun 11, 2002·22 cites·10 claims
- 2763US5182986AMethod for realigning steel bands with respect to a longitudinal axis of a continuously working pressDIEFFENBACHER GMBH MASCHF·Filed 1991·Granted Feb 2, 1993·14 cites·6 claims
- 2861US5887514AMethod, filter press and control device for reducing the water content of solid materials and/or sludgesDIEFFENBACHER GMBH MASCHF·Filed 1997·Granted Mar 30, 1999·15 cites·3 claims
- 2960US5255552AHydroelastic deep-drawing apparatusDIEFFENBACHER GMBH MASCHF·Filed 1992·Granted Oct 26, 1993·14 cites·16 claims
- 3059US5775214AApparatus for the continuous production of particle, fiber, plastic and wood boardsDIEFFENBACHER GMBH MASCHF·Filed 1996·Granted Jul 7, 1998·20 cites·15 claims
- 3157US6502326B1Method and apparatus for dewatering fiber cellsDIEFFENBACHER GMBH MASCHF·Filed 2000·Granted Jan 7, 2003·4 cites·21 claims
- 3256US6328843B1Method for producing boards made of wood-based material and synthetic boards in a continuously operating pressJ DIEFFENBACHER GMBH & COMPANY·Filed 1999·Granted Dec 11, 2001·11 cites·14 claims
- 3356US4909719AHeated platen press of window frame-like constructionDIEFFENBACHER GMBH MASCHF·Filed 1988·Granted Mar 20, 1990·10 cites·5 claims
- 3455US5404810AMethod for the continuous manufacture of chip boardsDIEFFENBACHER GMBH MASCHF·Filed 1994·Granted Apr 11, 1995·14 cites·5 claims
- 3551US6444079B1Process and apparatus for producing endless laminated veneer boardsDIEFFENBACHER GMBH MASCHF·Filed 1999·Granted Sep 3, 2002·13 cites·16 claims
- 3651US5042372AContinuously working pressDIEFFENBACHER GMBH MASCHF·Filed 1990·Granted Aug 27, 1991·16 cites·20 claims
- 3749US6499232B2Method and apparatus for reducing the moisture bound by capillary action in fiber cellsDIEFFENBACHER GMBH MASCHF·Filed 2001·Granted Dec 31, 2002·1 cites·7 claims
- 3848US6176951B1Process for the production of boards of wood-based materialDIEFFENBACHER GMBH MASCHF·Filed 1998·Granted Jan 23, 2001·10 cites·16 claims
- 3947US5950532AContinuously working pressMACHINENFABRIK J DIEFFENBACHER·Filed 1997·Granted Sep 14, 1999·11 cites·16 claims
- 4046US5611271APress with a window-type tension frameDIEFFENBACHER GMBH MASCHF·Filed 1995·Granted Mar 18, 1997·6 cites·9 claims
- 4145US5942079AApparatus for the continuous assembly and gluing of veneer panels to form veneer laminatesMASHINENFABRIK J DIEFFENBACHER·Filed 1998·Granted Aug 24, 1999·11 cites·11 claims
- 4245US5019206AApparatus for the insertion of laminated packs into hot pressesDIEFFENBACHER GMBH MASCHF·Filed 1989·Granted May 28, 1991·9 cites·12 claims
- 4342US5575203AContinuously operating press for the production of particle boards, fiber boards or similar wood boards and plastic boardsDIEFFENBACHER GMBH MASCHF·Filed 1994·Granted Nov 19, 1996·8 cites·15 claims
- 4442US4997514ADevice for manufacturing of a laminated wood panelDIEFFENBACHER GMBH MASCHF·Filed 1989·Granted Mar 5, 1991·7 cites·21 claims
- 4542US4832672APrecompaction beltDIEFFENBACHER GMBH MASCHF·Filed 1988·Granted May 23, 1989·7 cites·3 claims
- 4641US5044269AContinuously working pressDIEFFENBACHER GMBH MASCHF·Filed 1990·Granted Sep 3, 1991·8 cites·20 claims
- 4741US4921418AContinuously working pressDIEFFENBACHER GMBH MASCHF·Filed 1988·Granted May 1, 1990·7 cites·14 claims
- 4840US4505661AInjection pressDIEFFENBACHER GMBH MASCHF·Filed 1982·Granted Mar 19, 1985·8 cites·11 claims
- 4940US4430059AInjection pressDIEFFENBACHER GMBH MASCHF·Filed 1982·Granted Feb 7, 1984·8 cites·8 claims
- 5039US5025652ACollet surface structure for a hydraulic high-speed pressDIEFFENBACHER GMBH MASCHF·Filed 1989·Granted Jun 25, 1991·4 cites·10 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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