Patents by Inventor Willem Van Vliet

Willem Van Vliet 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).

  • Patent number: 9750223
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-153 RZ, which exhibits a combination of traits including resistance against downy mildew (Bremia lactucae) races B1:1-B1:31, CA-I to CA-VIII, resistance against currant-lettuce aphid (Nasonovia ribisnigri), a small head size, and moderate blistering. The present invention also relates to a Lactuca sativa plant produced by growing the 45-153 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-153 RZ.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: September 5, 2017
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Maria Helena Roosenboom-Kooijmans, Willem van Vliet
  • Publication number: 20170135305
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-140 RZ, which exhibits a combination of traits including resistance to downy mildew (Bremia lactucae) races Bl:1 to Bl:32, CA-I to CA-VIII, resistance to currant-lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, resistance to root aphids (Pemphigus bursarius), and a dull mature leaf. The present invention also relates to a Lactuca sativa plant produced by growing the 45-140 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-140 RZ.
    Type: Application
    Filed: November 3, 2016
    Publication date: May 18, 2017
    Inventors: Maria Helena Roosenboom-Kooijmans, Willem van Vliet
  • Patent number: 9603336
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-189 RZ, which may exhibit a combination of traits including resistance to downy mildew (Bremia lactucae) races Bl:1 to Bl:31 and CA-I to CA-VIII, currant lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, root aphids (Pemphigus bursarius), as well as having a medium head size, large outer leaves, and moderately glossy leaves. The present invention also relates to a Lactuca sativa plant produced by growing the 45-189 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-189 RZ.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: March 28, 2017
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Maria Helena Roosenboom-Kooijmans, Willem Van Vliet, Floor Cathleen Van Malland-Den Otter
  • Patent number: 9585360
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-101 RZ, which may exhibit a combination of traits including resistance to downy mildew (Bremia lactucae) races Bl:1 to Bl:31 and CA-I to CA-VIII, currant lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, lettuce mosaic virus (LMV), as well as having a medium head size, large outer leaves, and dull to moderately glossy leaves. The present invention also relates to a Lactuca sativa plant produced by growing the 45-101 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-101 RZ.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: March 7, 2017
    Assignee: RIJK ZWAAN ZAADTEELT ZAADHANDEL B.V.
    Inventors: Maria Helena Roosenboom-Kooijmans, Willem Van Vliet, Floor Cathleen Van Malland-Den Otter
  • Patent number: 9554550
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-158 RZ, which may exhibit a combination of traits including resistance to downy mildew (Bremia lactucae) races B1:1 to B1:31 and CA-I to CA-VIII, currant lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, root aphids (Pemphigus bursarius), as well as having a medium head size, large outer leaves, and moderately glossy leaves. The present invention also relates to a Lactuca sativa plant produced by growing the 45-158 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-158 RZ.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: January 31, 2017
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Maria Helena Roosenboom-Kooijmans, Willem Van Vliet, Floor Cathleen Van Malland-Den Otter
  • Patent number: 9556493
    Abstract: The present invention relates to a Lactuca sativa seed designated 41-115 RZ, which may exhibit a combination of traits including resistance against downy mildew (Bremia lactucae Regel) races Bl:1 to Bl:30 and Ca-I to Ca-VIII, currant lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, and corky root rot (Sphingomonas suberifaciens), as well as very thick, weakly blistering, mature non-flabellate leaves having a shallowly dentate leaf margin, and broad base leaves. The present invention also relates to a Lactuca sativa plant produced by growing the 41-115 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 41-115 RZ.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: January 31, 2017
    Assignee: RUK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Maria Helena Roosenboom-Kooijmans, Willem van Vliet
  • Publication number: 20160165830
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-193 RZ, which exhibits a combination of traits including resistance to downy mildew (Bremia lactucae Regel) races B1:1 to B1:31 and CA-I to CA-VIII, currant-lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, and root aphids (Pemphigus bursarius), and which has a medium head size, medium sized outer leaves, and moderately incised leaves. The present invention also relates to a Lactuca sativa plant produced by growing the 45-193 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-193 RZ.
    Type: Application
    Filed: December 4, 2015
    Publication date: June 16, 2016
    Inventors: Maria Helena Roosenboom-Kooijmans, Willem van Vliet
  • Publication number: 20160143245
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-153 RZ, which exhibits a combination of traits including resistance against downy mildew (Bremia lactucae) races B1:1-B1:31, CA-I to CA-VIII, resistance against currant-lettuce aphid (Nasonovia ribisnigri), a small head size, and moderate blistering. The present invention also relates to a Lactuca sativa plant produced by growing the 45-153 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-153 RZ.
    Type: Application
    Filed: November 19, 2015
    Publication date: May 26, 2016
    Inventors: Maria Helena Roosenboom-Kooijmans, Willem van Vliet
  • Patent number: 9326479
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-114 RZ, which exhibits resistance to downy mildew races Bl:1 to Bl:28, CA-I, CA-IIA, CA-IIB, CA-III, CA-IV, CA-V, CA-VI, CA-VII, CA-VIII (Bremia lactucae Regel), currant-lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, lettuce mosaic virus (LMV) race LMV:1, and root aphids (Pemphigus bursarius). The present invention also relates to a Lactuca sativa plant produced by growing the 45-114 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-114 RZ.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: May 3, 2016
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Maria Helena Roosenboom-Kooijman, Willem van Vliet
  • Patent number: 9328355
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-32 RZ, which exhibits a combination of traits including resistance to downy mildew (Bremia lactucae) races Bl:1 to Bl:18 and CA-I, CA-IIA, CA-IIB, CAIII, CA-IV, CA-V, CA-VI, CA-VII, CA-VIII, and resistance to currant-lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, as well as a medium-sized head and slow to very slow bolting. The present invention also relates to a Lactuca sativa plant produced by growing the 45-32 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-32 RZ.
    Type: Grant
    Filed: December 22, 2012
    Date of Patent: May 3, 2016
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Maria Helena Roosenboom-Kooijmans, Johannes Petrus Antonius Jansen, Willem van Vliet
  • Publication number: 20160089251
    Abstract: An artificial finger for prosthetics and gripping technology, with a base, a first finger member mounted on the base in articulated manner, at least one secondary member mounted on the first finger member in articulated manner, and a drive for adjusting the secondary member relative to the first finger member and the first finger member relative to the base. At least one reset element is provided for resetting the first finger member and the secondary member, and the first finger member is acted upon with a resetting force which differs from the secondary member.
    Type: Application
    Filed: April 29, 2014
    Publication date: March 31, 2016
    Applicant: OTTO BOCK HEALTHCARE PRODUCTS GMBH
    Inventors: Clemens MANDL, Leopold OECKER, Richard SKIERA, Johannis Willem VAN VLIET, Ronald NADERER, Paolo FERRARA, Florian SCHAUSBERGER
  • Patent number: 9271456
    Abstract: The invention relates to a method for testing a plant or plant part for exhibiting a reduced or absent wound-induced surface discoloration as compared to a control plant or plant part, which method comprises providing a plant or plant part that is obtained from a plant population that shows genetic variation, in particular a gene bank; optionally creating a wound surface on the plant or plant part; incubating the plant or plant part or the wound surfaces created thereon to allow for discoloration to occur therein or thereon; observing the discoloration in or on the plants or plant parts; comparing the observed discoloration with the discoloration that is observed in the control plant or plant part to assess whether the plant or plant part shows no discoloration or a discoloration that is reduced as compared to the control plant or plant part; and identifying a plant or plant part that shows no discoloration or a discoloration that is reduced as compared to the control plant or plant part as a plant that harbo
    Type: Grant
    Filed: March 10, 2013
    Date of Patent: March 1, 2016
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Willem Van Vliet, Cornelis Maria Petrus Van Dun, Johannes Wilhelmus Schut
  • Patent number: 9265225
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-149 RZ, which exhibits resistance to downy mildew (Bremia lactucae) races Bl:1-28 Ca-I to Ca-VIII, and strains F837 and USA927, resistance to currant-lettuce aphid (Nasonovia ribisnigri), moderately glossy leaves, and a medium head size. The present invention also relates to a Lactuca sativa plant produced by growing the 45-149 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-149 RZ.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: February 23, 2016
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Maria Helena Roosenboom-Kooijman, Johannes Petrus Antonius Jansen, Willem van Vliet
  • Patent number: 9258974
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-125 RZ, which exhibits resistance to downy mildew (Bremia lactucae) races Bl:1-28 Ca-I to Ca-VIII, and strain USA927, resistance to currant-lettuce aphid (Nasonovia ribisnigri), moderately glossy leaves, and a medium head size. The present invention also relates to a Lactuca sativa plant produced by growing the 45-125 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-125 RZ.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: February 16, 2016
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Maria Helena Roosenboom-Kooijman, Johannes Petrus Antonius Jansen, Willem van Vliet
  • Patent number: 9228201
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-89 RZ, which exhibits a combination of traits including resistance to downy mildew (Bremia lactucae Regel.) races NL:1-16 and Bl:18-28, and resistance to currant-lettuce aphid (Nasonovia ribisnigri) biotype Nr:0. The present invention also relates to a Lactuca sativa plant produced by growing the 45-89 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-89 RZ.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: January 5, 2016
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Willem van Vliet, Maria Helena Roosenboom-Kooijman
  • Publication number: 20150344906
    Abstract: The present invention relates to a Lactuca sativa seed designated 41-115 RZ, which may exhibit a combination of traits including resistance against downy mildew (Bremia lactucae Regel) races B1:1 to B1:30 and Ca-I to Ca-VIII, currant lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, and corky root rot (Sphingomonas suberifaciens), as well as very thick, weakly blistering, mature non-flabellate leaves having a shallowly dentate leaf margin, and broad base leaves. The present invention also relates to a Lactuca sativa plant produced by growing the 41-115 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 41-115 RZ.
    Type: Application
    Filed: May 21, 2015
    Publication date: December 3, 2015
    Inventors: MARIA HELENA ROOSENBOOM-KOOIJMAN, Willem van Vliet
  • Patent number: 9139846
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-21 RZ, which exhibits a combination of traits including resistance to downy mildew (Bremia lactucae) races Bi:1 to Bl:28 and CA-I to CA-VIII, resistance to currant-lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, very slow bolting, moderately to deeply incised margins of the mature leaves and a large head size. The present invention also relates to a Lactuca sativa plant produced by growing the 45-21 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-21 RZ.
    Type: Grant
    Filed: December 22, 2012
    Date of Patent: September 22, 2015
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Johannes Petrus Antonius Jansen, Maria Helena Roosenboom-Kooijman, Willem van Vliet
  • Patent number: 9125374
    Abstract: The present invention relates to a Lactuca sativa seed designated 45-171 RZ, which exhibits a combination of traits including resistance to downy mildew (Bremia lactucae) races B1:1 to B1:28, CA-I, CA-IIA, CA-IIB, CA-III, CA-IV, CA-V, CA-VI, CA-VII, CA-VIII, currant-lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, lettuce mosaic virus (LMV) race LMV:1, and root aphids (Pemphigus bursarius), as well as very slow bolting. The present invention also relates to a Lactuca sativa plant produced by growing the 45-171 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-171 RZ.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: September 8, 2015
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Maria Helena Roosenboom-Kooijman, Johannes Petrus Antonius Jansen, Willem van Vliet
  • Patent number: 9119366
    Abstract: The present invention relates to a Lactuca sativa var. longifolia Lam. seed designated as 41-101 RZ, which has leaves with a hollow main vein, broad base leaves, and exhibits resistance against downy mildew (Bremia lactucae Regel.), and currant-lettuce aphid (Nasonovia ribisnigri). The present invention also relates to a Lactuca sativa var. longifolia Lam. plant produced by growing the “41-101 RZ” seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 41-101 RZ.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: September 1, 2015
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Johannes Petrus Antonius Jansen, Maria Helena Roosenboom-Kooijmans, Willem Van Vliet
  • Patent number: 9089098
    Abstract: The invention relates to a method for testing a plant or plant part for exhibiting a reduced or absent wound-induced surface discoloration as compared to a control plant or plant part, which method comprises providing a plant or plant part that is obtained from a plant population that shows genetic variation, in particular a gene bank; optionally creating a wound surface on the plant or plant part; incubating the plant or plant part or the wound surfaces created thereon to allow for discoloration to occur therein or thereon; observing the discoloration in or on the plants or plant parts; comparing the observed discoloration with the discoloration that is observed in the control plant or plant part to assess whether the plant or plant part shows no discoloration or a discoloration that is reduced as compared to the control plant or plant part; and identifying a plant or plant part that shows no discoloration or a discoloration that is reduced as compared to the control plant or plant part as a plant that harbo
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: July 28, 2015
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Willem Van Vliet, Cornelis Maria Petrus Van Dun, Johannes Wilhelmus Schut