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).
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Patent number: 10548275Abstract: 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: GrantFiled: December 1, 2017Date of Patent: February 4, 2020Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventor: Johannes Petrus Antonius Jansen
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Patent number: 10412913Abstract: 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: GrantFiled: December 1, 2017Date of Patent: September 17, 2019Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventor: Johannes Petrus Antonius Jansen
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Publication number: 20180153125Abstract: 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: ApplicationFiled: December 1, 2017Publication date: June 7, 2018Inventor: Johannes Petrus Antonius Jansen
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Publication number: 20180153126Abstract: 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: ApplicationFiled: December 1, 2017Publication date: June 7, 2018Inventor: Johannes Petrus Antonius Jansen
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Patent number: 9974274Abstract: 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: GrantFiled: December 22, 2015Date of Patent: May 22, 2018Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventor: Johannes Petrus Antonius Jansen
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Patent number: 9974275Abstract: 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: GrantFiled: January 28, 2016Date of Patent: May 22, 2018Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventor: Johannes Petrus Antonius Jansen
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Patent number: 9968064Abstract: 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: GrantFiled: November 25, 2015Date of Patent: May 15, 2018Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventor: Johannes Petrus Antonius Jansen
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Patent number: 9968065Abstract: 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: GrantFiled: December 22, 2015Date of Patent: May 15, 2018Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventor: Johannes Petrus Antonius Jansen
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Patent number: 9961872Abstract: 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: GrantFiled: November 25, 2015Date of Patent: May 8, 2018Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventor: Johannes Petrus Antonius Jansen
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Patent number: 9456579Abstract: 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: GrantFiled: March 12, 2013Date of Patent: October 4, 2016Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
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Publication number: 20160219822Abstract: 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: ApplicationFiled: January 28, 2016Publication date: August 4, 2016Inventor: Johannes Petrus Antonius Jansen
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Publication number: 20160174517Abstract: 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: ApplicationFiled: December 22, 2015Publication date: June 23, 2016Inventor: Johannes Petrus Antonius Jansen
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Publication number: 20160174518Abstract: 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: ApplicationFiled: December 22, 2015Publication date: June 23, 2016Inventor: Johannes Petrus Antonius Jansen
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Patent number: 9370161Abstract: 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: GrantFiled: March 14, 2013Date of Patent: June 21, 2016Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
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Patent number: 9370162Abstract: 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: GrantFiled: March 14, 2013Date of Patent: June 21, 2016Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
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Patent number: 9357740Abstract: 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: GrantFiled: March 14, 2013Date of Patent: June 7, 2016Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
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Publication number: 20160150753Abstract: 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: ApplicationFiled: November 25, 2015Publication date: June 2, 2016Inventor: Johannes Petrus Antonius Jansen
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Publication number: 20160150754Abstract: 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: ApplicationFiled: November 25, 2015Publication date: June 2, 2016Inventor: Johannes Petrus Antonius Jansen
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Patent number: 9351472Abstract: 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: GrantFiled: March 14, 2013Date of Patent: May 31, 2016Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
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Patent number: 9328355Abstract: 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: GrantFiled: December 22, 2012Date of Patent: May 3, 2016Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Maria Helena Roosenboom-Kooijmans, Johannes Petrus Antonius Jansen, Willem van Vliet