Patents by Inventor Johannes Petrus Antonius Jansen

Johannes Petrus Antonius Jansen 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: 10548275
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-712 RZ, which exhibits a combination of traits slow growing, semi-savoy leaves, medium ovate mature leaves, late to very late bolting, and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15 and intermediate resistance to Pfs16. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-712 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-712 RZ.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: February 4, 2020
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventor: Johannes Petrus Antonius Jansen
  • Patent number: 10412913
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-348 RZ, which exhibits a combination of traits slow to medium growing, smooth leaves, dark green leaves, medium to late bolting, and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15 and intermediate resistance to Pfs16. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-348 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-348 RZ.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: September 17, 2019
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventor: Johannes Petrus Antonius Jansen
  • Publication number: 20180153125
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-348 RZ, which exhibits a combination of traits slow to medium growing, smooth leaves, dark green leaves, medium to late bolting, and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15 and intermediate resistance to Pfs16. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-348 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-348 RZ.
    Type: Application
    Filed: December 1, 2017
    Publication date: June 7, 2018
    Inventor: Johannes Petrus Antonius Jansen
  • Publication number: 20180153126
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-712 RZ, which exhibits a combination of traits slow growing, semi-savoy leaves, medium ovate mature leaves, late to very late bolting, and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15 and intermediate resistance to Pfs16. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-712 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-712 RZ.
    Type: Application
    Filed: December 1, 2017
    Publication date: June 7, 2018
    Inventor: Johannes Petrus Antonius Jansen
  • Patent number: 9974274
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-710 RZ, which exhibits a combination of traits including medium-late bolting, a semi-erect to horizontal plant habit, a smooth to semi-savoy leaf surface and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-710 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-710 RZ.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: May 22, 2018
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventor: Johannes Petrus Antonius Jansen
  • Patent number: 9974275
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-341 RZ and 51-342 RZ, which exhibits a combination of traits including very late bolting, slow growing, a semi-erect plant habit, a small leaf blade size and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to 15. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-341 RZ or 51-342 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-341 RZ and 51-342 RZ.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: May 22, 2018
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventor: Johannes Petrus Antonius Jansen
  • Patent number: 9968064
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-521 RZ, which exhibits a combination of traits including fast growing, a flat plant habit, smooth mature leaves, a field resistance against Colletotrichum dematium f. sp. spinaciae and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-521 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-521 RZ.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: May 15, 2018
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventor: Johannes Petrus Antonius Jansen
  • Patent number: 9968065
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-343 RZ, which exhibits a combination of traits including fast growing, a semi-erect to horizontal plant habit, broad ovate mature leaves and a resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-343 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-343 RZ.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: May 15, 2018
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventor: Johannes Petrus Antonius Jansen
  • Patent number: 9961872
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-150 RZ, which exhibits a combination of traits including very fast growing, an erect plant habit, smooth mature leaves, medium blade size and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-150 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-150 RZ.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: May 8, 2018
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventor: Johannes Petrus Antonius Jansen
  • Patent number: 9456579
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-337 RZ, which exhibits very slow bolting, dark green semi-savoy leaves, and resistance to downy mildew (Peronospora farinosa f.sp. spinaciae) races Pfs1 to Pfs10 and intermediate resistance to races Pfs 11 and 12. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-337 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-337 RZ.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: October 4, 2016
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
  • Publication number: 20160219822
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-341 RZ and 51-342 RZ, which exhibits a combination of traits including very late bolting, slow growing, a semi-erect plant habit, a small leaf blade size and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to 15. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-341 RZ or 51-342 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-341 RZ and 51-342 RZ.
    Type: Application
    Filed: January 28, 2016
    Publication date: August 4, 2016
    Inventor: Johannes Petrus Antonius Jansen
  • Publication number: 20160174517
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-343 RZ, which exhibits a combination of traits including fast growing, a semi-erect to horizontal plant habit, broad ovate mature leaves and a resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-343 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-343 RZ.
    Type: Application
    Filed: December 22, 2015
    Publication date: June 23, 2016
    Inventor: Johannes Petrus Antonius Jansen
  • Publication number: 20160174518
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-710 RZ, which exhibits a combination of traits including medium-late bolting, a semi-erect to horizontal plant habit, a smooth to semi-savoy leaf surface and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-710 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-710 RZ.
    Type: Application
    Filed: December 22, 2015
    Publication date: June 23, 2016
    Inventor: Johannes Petrus Antonius Jansen
  • Patent number: 9370161
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-331 RZ, which exhibits medium bolting, an erect plant habit, smooth mature leaves and resistance to downy mildew (Peronospora farinosa f. sp. spinaciae) races Pfs1 to Pfs13 and strain UA4410. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-331 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-331 RZ.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 21, 2016
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
  • Patent number: 9370162
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-332 RZ, which exhibits medium bolting, an erect plant habit, smooth mature leaves with a three-sided shape and resistance to downy mildew (Peronospora farinosa f. sp. spinaciae) races Pfs1 to Pfs13 and strain UA4410. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-332 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-332 RZ.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 21, 2016
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
  • Patent number: 9357740
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-333 RZ, which exhibits medium bolting, an erect plant habit, ovate first foliage leaves, semi-savoy mature leaves and resistance to downy mildew (Peronospora farinosa f. sp. spinaciae) races Pfs1 to Pfs13 and strain UA4410. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-333 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-333 RZ.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 7, 2016
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
  • Publication number: 20160150753
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-521 RZ, which exhibits a combination of traits including fast growing, a flat plant habit, smooth mature leaves, a field resistance against Colletotrichum dematium f. sp. spinaciae and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-521 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-521 RZ.
    Type: Application
    Filed: November 25, 2015
    Publication date: June 2, 2016
    Inventor: Johannes Petrus Antonius Jansen
  • Publication number: 20160150754
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-150 RZ, which exhibits a combination of traits including very fast growing, an erect plant habit, smooth mature leaves, medium blade size and resistance to downy mildew (P. farinosa f. sp. spinaciae) races Pfs1 to Pfs15. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-150 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-150 RZ.
    Type: Application
    Filed: November 25, 2015
    Publication date: June 2, 2016
    Inventor: Johannes Petrus Antonius Jansen
  • Patent number: 9351472
    Abstract: The present invention relates to a Spinacia oleracea seed designated 51-707 RZ, which exhibits early bolting, erect plant habit, semi-savoy leaves, and resistance against downy mildew (Peronospora farinosa f. sp. spinaciae) races Pfs1 to Pfs13 and strain UA4410. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-707 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-707 RZ.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: May 31, 2016
    Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
    Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
  • 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