Patents by Inventor SATYA RAJAGOPALAN

SATYA RAJAGOPALAN 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).

  • Brush head arrangements
    Patent number: 11224281
    Abstract: A brush head (32) including: a plurality of bristle tufts (21), each of which comprises a plurality of bristle strands having a free end (25) and a proximal end (23); a plurality of retention rings (50) each comprising an upper portion (51), a lower portion (53), an exterior wall (55) and an interior wall (57), and each configured to receive the proximal end of at least one of the plurality of bristle tufts, wherein at least one of the plurality of retention rings comprises a transverse projection (71, 72) extending from the exterior and/or interior wall of the retention ring; and an elastomeric matrix (30) comprising at least a portion of each of the plurality of retention rings and the proximal end of each of the plurality of bristle tufts.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: January 18, 2022
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Evan Dak Wah Dengler, Satya Rajagopalan
  • BRUSH HEAD ARRANGEMENTS
    Publication number: 20200352313
    Abstract: A brush head (32) including: a plurality of bristle tufts (21), each of which comprises a plurality of bristle strands having a free end (25) and a proximal end (23); a plurality of retention rings (50) each comprising an upper portion (51), a lower portion (53), an exterior wall (55) and an interior wall (57), and each configured to receive the proximal end of at least one of the plurality of bristle tufts, wherein at least one of the plurality of retention rings comprises a transverse projection (71, 72) extending from the exterior and/or interior wall of the retention ring; and an elastomeric matrix (30) comprising at least a portion of each of the plurality of retention rings and the proximal end of each of the plurality of bristle tufts.
    Type: Application
    Filed: July 30, 2020
    Publication date: November 12, 2020
    Inventors: EVAN DAK WAH DENGLER, SATYA RAJAGOPALAN
  • Brush head arrangements
    Patent number: 10750847
    Abstract: A brush head (32) including: a plurality of bristle tufts (21), each of which comprises a plurality of bristle strands having a free end (25) and a proximal end (23); a plurality of retention rings (50) each comprising an upper portion (51), a lower portion (53), an exterior wall (55) and an interior wall (57), and each configured to receive the proximal end of at least one of the plurality of bristle tufts, wherein at least one of the plurality of retention rings comprises a transverse projection (71, 72) extending from the exterior and/or interior wall of the retention ring; and an elastomeric matrix (30) comprising at least a portion of each of the plurality of retention rings and the proximal end of each of the plurality of bristle tufts.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: August 25, 2020
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Evan Dak Wah Dengler, Satya Rajagopalan
  • BRUSH HEAD ARRANGEMENTS
    Publication number: 20180125218
    Abstract: A brush head (32) including: a plurality of bristle tufts (21), each of which comprises a plurality of bristle strands having a free end (25) and a proximal end (23); a plurality of retention rings (50) each comprising an upper portion (51), a lower portion (53), an exterior wall (55) and an interior wall (57), and each configured to receive the proximal end of at least one of the plurality of bristle tufts, wherein at least one of the plurality of retention rings comprises a transverse projection (71, 72) extending from the exterior and/or interior wall of the retention ring; and an elastomeric matrix (30) comprising at least a portion of each of the plurality of retention rings and the proximal end of each of the plurality of bristle tufts.
    Type: Application
    Filed: May 10, 2016
    Publication date: May 10, 2018
    Inventors: EVAN DAK WAH DENGLER, SATYA RAJAGOPALAN