Patents by Inventor Hans-Joachim Grajetzky

Hans-Joachim Grajetzky 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).

  • Recessed luminaire having a dome-shaped reflector
    Patent number: 6883940
    Abstract: A recessable luminaire (1), having a dome-shaped reflector and a light source located at least partially outside the reflector (6) such that a light source (8) carried by the carrier is located within the reflector (6). A mounting ring (9) is arranged to engage the reflector (6) around and near its edge region. The mounting ring 9 has connection means for attaching the light source carrier (7). The connection means is formed by a plug-in pin (27b) on the mounting ring (9) or on the light source carrier (7) and at least one corresponding plug-in fitting (27a) on the light source carrier (7) or on the mounting ring (9).
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: April 26, 2005
    Assignee: Zumtobel Staff GmbH & Co. KG
    Inventors: Hans-Joachim Grajetzky, Karl-Heinz Holzkämper
  • Recessed luminaire having a holder ring for additional components
    Patent number: 6702454
    Abstract: A recessed luminaire (1), has a dome-shaped reflector (6), a light source (8) arranged therein, a mounting ring (9) which engages around the reflector (6) near to its edge. A holder ring (41) for additional components, such as a glass plate or the like, to be attached to the mounting ring (9), is also provided, the holder ring (41) having connection means for fastening it on the mounting ring (9). At least two plug-in elements (45) having plug-in pins (46a) and radially developing plug-in recesses (46a) are provided on the mounting ring (9), for plugging-in of the plug-in pins (46b).
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: March 9, 2004
    Assignee: Zumtobel Staff GmbH & Co. KG
    Inventors: Hans-Joachim Grajetzky, Heike Schmidtpott
  • Recessed luminaire having a holder ring for additional components
    Publication number: 20030063470
    Abstract: A recessed luminaire (1), has a dome-shaped reflector (6), a light source (8) arranged therein, a mounting ring (9) which engages around the reflector (6) near to its edge. A holder ring (41) for additional components, such as a glass plate or the like, to be attached to the mounting ring (9), is also provided, the holder ring (41) having connection means for fastening it on the mounting ring (9). At least two plug-in elements (45) having plug-in pins (46a) and radially developing plug-in recesses (46a) are provided on the mounting ring (9), for plugging-in of the plug-in pins (46b).
    Type: Application
    Filed: September 17, 2002
    Publication date: April 3, 2003
    Applicant: ZUMTOBEL STAFF GMBH & CO. KG
    Inventors: Hans-Joachim Grajetzky, Heike Schmidtpott
  • Recessed luminaire having a dome-shaped reflector
    Publication number: 20030063467
    Abstract: A recessable luminaire (1), having a dome-shaped reflector and a light source located at least partially outside the reflector (6) such that a light source (8) carried by the carrier is located within the reflector (6). A mounting ring (9) is arranged to engage the reflector (6) around and near its edge region. The mounting ring 9 has connection means for attaching the light source carrier (7). The connection means is formed by a plug-in pin (27b) on the mounting ring (9) or on the light source carrier (7) and at least one corresponding plug-in fitting (27a) on the light source carrier (7) or on the mounting ring (9).
    Type: Application
    Filed: September 17, 2002
    Publication date: April 3, 2003
    Applicant: ZUMTOBEL STAFF GMBH & CO. KG
    Inventors: Hans-Joachim Grajetzky, Karl-Heinz Holzkamper