Patents by Inventor Geert Veenstra
Geert Veenstra has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220193938Abstract: A stationary blade for a blade set of a hair cutting appliance is described. The stationary blade is arranged to be moved through hair in a moving direction to cut hair. The stationary blade includes: a first wall portion arranged to serve as a skin facing wall when in operation; a second wall portion at least partially offset from the first wall portion; and at least one toothed leading edge comprising a plurality of teeth and being jointly provided by the first wall portion and the second wall portion. The first wall portion and the second wall portion are connected at a frontal end of the at least one toothed leading edge to provide tips of the teeth. A blade set including the stationary blade and a moveable cutting blade are also described. A method of fabricating a blade set is also described.Type: ApplicationFiled: March 14, 2022Publication date: June 23, 2022Inventors: Fransicus Hermannus FEIJEN, Siegfried SABLATSCHAN, Geert VEENSTRA, Wouter VAN KEMPEN, Jacob Willem KROON, Albert Jan AITINK
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Patent number: 11285627Abstract: A shaving appliance and a shaving unit are described. The shaving unit has a rotary cutter having a plurality of cutter blades that are provided with a cutting edge. The shaving track includes hair-entry slots that, seen in the direction of movement, have a frontal edge and a rear edge. A slot angle (?) defined as an angle of inclination between the frontal edges (48, 148) of the hair-entry slots. A shearing angle (?), defined as a difference between the slot angle (?) and an angle of inclination (?) of cutting edges of cutter blades with respect to the radial direction. The shearing angle (?) is defined at an actual point where the frontal edges and the cutting edges cooperate.Type: GrantFiled: April 24, 2019Date of Patent: March 29, 2022Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Geert Veenstra, Harmen Kooiker, Fokke Roelof Voorhorst
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Patent number: 11279052Abstract: A hair cutting appliance, a blade set for a hair cutting appliance, and to a stationary blade for the blade set. The stationary blade includes a first wall portion arranged to serve as a skin facing wall when in operation, a second wall portion at least partially offset from the first wall portion, such that the first wall portion and the second wall portion define therebetween a guide slot arranged to receive a movable cutter blade in a defined mating manner, and at least one toothed leading edge having a plurality of teeth jointly formed by the first wall portion and the second wall portion. The stationary blade is an integrally formed metal-plastic composite stationary blade. Also discussed is a blade set including an integrated foil shaving region, along with a method for manufacturing a respective blade.Type: GrantFiled: August 21, 2020Date of Patent: March 22, 2022Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Fransicus Hermannus Feijen, Siegfried Sablatschan, Geert Veenstra, Wouter Van Kempen, Jacob Willem Kroon, Albert Jan Aitink
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Publication number: 20210252724Abstract: The present disclosure relates to a shaving appliance (10) and to a shaving unit (24), the shaving unit (24) comprising a rotary cutter (30, 130) comprising a plurality of cutter blades (62, 162) that are provided with a cutting edge (64, 164), the rotary cutter (30, 130) being arranged to rotate about a rotation axis (26, 126) in a direction of movement (36, 136); a guard cap (28, 128) having an annular shaving track (44, 144) surrounding the rotation axis (26, 126) for cooperation with the cutter blades (62, 162), the shaving track (44, 144) being provided with hair-entry slots (46, 146) that, seen in the direction of movement (36, 136), have a frontal edge (48, 148) and a rear edge (50, 150); wherein the frontal edges (48, 148) of the hair-entry slots (46, 146) are, in a cutting portion (70, 170) along the long side extension of the hair-entry slots (46, 146), inclined with respect to a radial direction (96, 196) extending from the rotation axis (26, 126), wherein a slot angle (a) defined as an angle of inType: ApplicationFiled: April 24, 2019Publication date: August 19, 2021Inventors: Geert VEENSTRA, Harmen KOOIKER, Fokke Roelof VOORHORST
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Publication number: 20200376695Abstract: The present disclosure relates to a hair cutting appliance, a blade set for a hair cutting appliance, and to a stationary blade for said blade set.Type: ApplicationFiled: August 21, 2020Publication date: December 3, 2020Inventors: Fransicus Hermannus FEIJEN, Siegfried SABLATSCHAN, Geert VEENSTRA, Wouter VAN KEMPEN, Jacob Willem KROON, Albert Jan AITINK
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Patent number: 10751891Abstract: A stationary blade for a blade set in a hair cutting appliance and method of manufacturing the stationary blade. The stationary blade comprising a first wall portion arranged as a skin facing wall in operation, a second wall portion at least partially offset from the first wall portion. The first and second wall portions defining a guide slot therebetween, arranged to receive a movable cutter blade. At least one toothed leading edge comprising a plurality of teeth jointly formed by the first wall portion and the second wall portion. The stationary blade being an integrally formed metal-plastic composite blade. The first wall portion being at least partially made from a metal material. The second wall portion being at least partially made from a plastic material. The first and second wall portions being arranged to receive the movable cutter blade in the guide slot in a defined mating manner.Type: GrantFiled: April 20, 2015Date of Patent: August 25, 2020Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Fransiscus Hermannus Feijen, Siegfried Latschan, Geert Veenstra, Wouter Van Kempen, Jacob Willem Kroon, Albert Jan Aitink
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Patent number: 10682777Abstract: A cutting appliance and a blade set that includes a cutter and a stationary blade. The stationary blade has a guide slot. A cutter is movably arranged within the guide slot. The cutter includes, at a side thereof facing away from a skin facing wall of the stationary blade, an elevated spacing arrangement associated with a toothed leading edge of the cutter, and being configured for spacing a substantially flat bottom surface of the at toothed leading edge of the cutter away from the skin facing wall.Type: GrantFiled: April 14, 2016Date of Patent: June 16, 2020Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Simon Reinald Huisman, Geert Veenstra
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Patent number: 10265799Abstract: The present application relates to a device for cutting hair comprising a skin contacting face (3) that is placed against a surface of the skin (6) of a user during use. The device also has an optical system configured to direct a cutting laser beam (8) across a cutting zone (5) parallel to and spaced from said skin contacting face to cut hairs extending into the cutting zone. Also provided is a laser positioning mechanism which is arranged so that, during use of the device, the distance (H1) between said cutting laser beam and said skin contacting face is changed to maintain a predetermined distance between the cutting laser beam and the surface of the skin of a user.Type: GrantFiled: March 11, 2014Date of Patent: April 23, 2019Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Bastiaan Wilhelmus Maria Moeskops, Calina Ciuhu, Rudolf Maria Jozef Voncken, Klaas Hilverda, Geert Veenstra, Willem Auke Westerhof
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Publication number: 20180099427Abstract: The present disclosure relates to a cutting appliance (10) and to a blade set (20) for such an appliance.Type: ApplicationFiled: April 14, 2016Publication date: April 12, 2018Inventors: SIMON REINALD HUISMAN, GEERT VEENSTRA
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Patent number: 9849598Abstract: A hair cutting device (10) is provided comprising a cutter unit (11), a skin stretcher (12) and slit adapting means. The cutter unit (11) comprises a skin-contact surface for dragging over a skin surface (21) in a shaving direction (55), a front surface arranged in front of the skin-contact surface in the shaving direction (55), and a laser beam exit window arranged in the front surface for allowing a hair cutting laser beam (13) to cut a hair (22) near the skin surface (21) in front of the front surface. The skin stretcher (12) is positioned in front of the cutter unit (11), according to the shaving direction (55), and comprises a stretcher surface for dragging over the skin surface (21) together with the skin-contact surface, such that a skin dome (23) is formed by the skin surface (21) in a slit between the skin stretcher (12) and the cutter unit (11). The slit adapting means are provided for adapting at least one dimension (51, 52, 54) of the slit for controlling a shape of the skin dome (23).Type: GrantFiled: December 18, 2012Date of Patent: December 26, 2017Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Chris Damkat, Natalia Eduardauna Uzunbajakava, Calina Ciuhu, Geert Veenstra, Harmen Kooiker
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Publication number: 20170113361Abstract: The present disclosure relates to a hair cutting appliance (10), a blade set (20) for a hair cutting appliance (10), and to a stationary blade (22) for said blade set (20).Type: ApplicationFiled: April 20, 2015Publication date: April 27, 2017Inventors: FRANSISCUS HERMANNUS FEIJEN, SIEGFRIED LATSCHAN, GEERT VEENSTRA, WOUTER VAN KEMPEN, JACOB WILLEM KROON, ALBERT JAN AITINK
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Publication number: 20160016256Abstract: The present application relates to a device for cutting hair comprising a skin contacting face (3) that is placed against a surface of the skin (6) of a user during use. The device also has an optical system configured to direct a cutting laser beam (8) across a cutting zone (5) parallel to and spaced from said skin contacting face to cut hairs extending into the cutting zone. Also provided is a laser positioning mechanism which is arranged so that, during use of the device, the distance (H1) between said cutting laser beam and said skin contacting face is changed to maintain a predetermined distance between the cutting laser beam and the surface of the skin of a user.Type: ApplicationFiled: March 11, 2014Publication date: January 21, 2016Inventors: BASTIAAN WILHELMUS MARIA MOESKOPS, CALINA CIUHU, RUDOLF MARIA JOZEF VONCKEN, KLAAS HILVERDA, GEERT VEENSTRA, WILLEM AUKE WESTERHOF
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Publication number: 20140345142Abstract: A hair cutting device (10) is provided comprising a cutter unit (11), a skin stretcher (12) and slit adapting means. The cutter unit (11) comprises a skin-contact surface for dragging over a skin surface (21) in a shaving direction (55), a front surface arranged in front of the skin-contact surface in the shaving direction (55), and a laser beam exit window arranged in the front surface for allowing a hair cutting laser beam (13) to cut a hair (22) near the skin surface (21) in front of the front surface. The skin stretcher (12) is positioned in front of the cutter unit (11), according to the shaving direction (55), and comprises a stretcher surface for dragging over the skin surface (21) together with the skin-contact surface, such that a skin dome (23) is formed by the skin surface (21) in a slit between the skin stretcher (12) and the cutter unit (11). The slit adapting means are provided for adapting at least one dimension (51, 52, 54) of the slit for controlling a shape of the skin dome (23).Type: ApplicationFiled: December 18, 2012Publication date: November 27, 2014Inventors: Chris Damkat, Natalia Eduardauna Uzunbajakava, Calina Ciuhu, Geert Veenstra, Harmen Kooiker
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Publication number: 20130333220Abstract: A shaving apparatus having at least one cutting unit with an external cutting member and a rotatable internal cutting member each the external and internal cutting members having cooperating cutting edges forming bearing surfaces of a first bearing, and a second bearing with bearing surfaces. To minimize the friction between the cutting edges, a support device having visco-elastic properties is provided between the two bearings. During operation, the distance between the bearing surfaces of the first bearing adjusts to the distance between the bearing surfaces of the second bearing. During cutting of hairs, the support device behaves as a stiff element whereas during periods in which no hairs are cut, the support device behaves relatively soft so that the cutting gaps between the cutting edges are closed.Type: ApplicationFiled: December 20, 2012Publication date: December 19, 2013Inventors: Bastiaan Johannes De Wit, Fokke Roelof Voorhorst, Geert Veenstra, Leonardus Hendrikus Gerardus Johannes Segeren, Sieds Bosch, Sjoerd Haites
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Patent number: 8336211Abstract: Shaving apparatus having at least one cutting unit with an external cutting member and a rotatable internal cutting member each the external and internal cutting members having cooperating cutting edges forming bearing surfaces of a first bearing, and a second bearing with bearing surfaces. To minimize the friction between the cutting edges, a support device having visco-elastic properties is provided between the two bearings. During operation, the distance between the bearing surfaces of the first bearing adjusts to the distance between the bearing surfaces of the second bearing. During cutting of hairs, the support device behaves as a stiff element whereas during periods in which no hairs are cut, the support device behaves relatively soft so that the cutting gaps between the cutting edges are closed.Type: GrantFiled: June 10, 2005Date of Patent: December 25, 2012Assignee: Koninklijke Philips Electronics N.VInventors: Bastiaan Johannes De Wit, Fokke Roelof Voorhorst, Geert Veenstra, Leonardus Hendrikus Gerardus Johannes Segeren, Sieds Bosch, Sjoerd Haites
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Publication number: 20120246940Abstract: Shaving apparatus having at least one cutting unit with an external cutting member and a movable internal cutting member. An energy-dissipating system is provided between mutually movable parts of the internal or an external cutting member to reduce the bouncing effect between the internal and external cutting member after cutting a hair. Such an energy-dissipating system may for example be an element with visco-elastic properties.Type: ApplicationFiled: May 8, 2012Publication date: October 4, 2012Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: GEERT VEENSTRA, SIEDS BOSCH, LEONARDUS HENDRIKUS GERARDUS JOHANNES SEGEREN, SJOERD HAITES
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Patent number: 8191264Abstract: Shaving apparatus having at least one cutting unit with an external cutting member and a movable internal cutting member. An energy-dissipating system is provided between mutually movable parts of the internal or an external cutting member to reduce the bouncing effect between the internal and external cutting member after cutting a hair. Such an energy-dissipating system may for example be an element with visco-elastic properties.Type: GrantFiled: June 10, 2005Date of Patent: June 5, 2012Assignee: Koninklijke Philips Electronics N.V.Inventors: Geert Veenstra, Sieds Bosch, Leonardus Hendrikus Gerardus Johannes Segeren, Sjoerd Haites
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Patent number: 7954243Abstract: Hair cutting apparatus having at least one cutting unit (2) with a stationary cutting member (3) and reciprocable movable cutting member (4) each having cooperating bearing surfaces (7,8) with cutting edges (9,10). To minimize the friction between the bearing surfaces a visco-elastic element is provided between the coupling element (14) and the movable cutting member (4) resulting in a small cutting gap between the bearing surfaces. During cutting of hairs the visco-elastic element behaves as a stiff element whereas during periods in which no hairs are cut the element behaves relatively soft so that the cutting gaps between the cutting edges are closed.Type: GrantFiled: June 10, 2005Date of Patent: June 7, 2011Assignee: Koninklijke Philips Electronics N.V.Inventors: Bastiaan Johannes De Wit, Fokke Roelof Voorhorst, Geert Veenstra
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Publication number: 20080276459Abstract: Shaving apparatus having at least one cutting unit (3) with an external cutting member (4) and a rotatable internal cutting member (6) each having cooperating cutting edges (8,9) forming bearing surfaces of a first bearing, said external and internal cutting member (4,6) having a second bearing with bearing surfaces (14,17). To minimize the friction between the cutting edges (8,9), means (13) with visco-elastic properties are provided between the two bearings, so that during operation the distance between the bearing surfaces (8,9) of the first bearing adjusts oneself to the distance between the bearing surfaces (14,17) of the second bearing. During cutting of hairs the means with visco-elastic properties behave as a stiff element whereas during periods in which no hairs are cut these means behave relatively soft so that the cutting gaps between the cutting edges are closed.Type: ApplicationFiled: June 10, 2005Publication date: November 13, 2008Inventors: Bastiaan Johannes De Wit, Fokke Roelof Voorhorst, Geert Veenstra, Leonardus Hendrikus Gerardus Johannes Segeren, Sieds Bosch, Sjoerd Haites
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Publication number: 20080016695Abstract: Hair cutting apparatus having at least one cutting unit (2) with a stationary cutting member (3) and reciprocable movable cutting member (4) each having cooperating bearing surfaces (7,8) with cutting edges (9,10). To minimize the friction between the bearing surfaces, means (16) with visco-elastic properties are provided between the coupling element (14) and the movable cutting member (4) resulting in a small cutting gap between the bearing surfaces. During cutting of hairs the means with visco-elastic properties behave as a stiff element whereas during periods in which no hairs are cut these means behave relatively soft so that the cutting gaps between the cutting edges are closed.Type: ApplicationFiled: June 10, 2005Publication date: January 24, 2008Applicant: Koninklijke Philips Electronics N.V.Inventors: Bastiaan De Wit, Fokke Voorhorst, Geert Veenstra