Inventor
Hartmut Benckert
Inventor
Filderstadt, DE
Overview
25→
Patents
1992–2010
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Bprimary
F04BPositive-displacement machines for liquids29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
E04GScaffolding16%
Y10TTechnical subjects covered by former us classification15%
B66CCranes11%
B28CPreparing clay2%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for2%
F02BInternal-combustion piston engines2%
F16LPipes2%
PatentTitleYear
7,729,832'Device for actuating an articulated mast'20107,657,355'Device for actuating a bending mast in a large manipulator and a large manipulator comprising said device'20107,322,802'Thick matter pump comprising a conveyance capacity control system'20087,131,820'Method for controlling a thick matter pump'20067,011,108'Device for actuating an articulated mast, especially for concrete pumps'20066,983,763'Telescoping boom with moving flexible 180° bend'20066,862,509'Device for operating the articulated mast of a large manipulator'20056,338,615'Pipe switch for two-cylinder thick-material pump'20026,220,834'Support pipe for concrete pump with pivoting valve'20015,823,748'Device for opening and closing a closure cap'19985,823,218'Large manipulator, especially for self-propelled concrete pumps, and method for operating it'19985,640,996'Large manipulator, especially for self-propelled concrete pumps'19975,640,850'Hydraulic pressure supply and control device for a mobile concrete pump'19975,586,869'Initial pressure governor for a variable displacement pump'19965,520,521'Hydraulic control device for a viscous fluid pump'19965,470,167'Locking device for pull-out supports'19955,421,705'Overload protective device for an internal combustion engine acting as a drive motor of a main pump of a hydraulic pressure generator'19955,360,321'Feeding reservoir for two-cylinders thick-matter pumps'19945,344,290'Method and device for controlling a double-cylinder thick matter pump'19945,340,291'Flow restraining device for a thick matter conveying apparatus'19945,302,094'Tube switch for a double-cylinder sludge pump'19945,238,371'Control arrangement for a two-cylinder pump for thick materials'19935,209,649'Control system for a two-cylinder thick matter pump'19935,190,449'Material feed tank for sludge pumps'19935,127,806'Thick matter pump with downstream shutoff device'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1998Patents assigned to PUTZMEISTER MASCHF (14)· patent assignee history
1992–1994Based in Leinfelden-Echterdingen, DE· patent location history
1993Patents assigned to PUTZMEISTER WEEK MASCHINENFABR (1)· patent assignee history
1994–2010Based in Filderstadt, DE· patent location history
1995–1996Based in Filderstadt-Sielmingen, DE· patent location history
1998–2008Patents assigned to PUTZMEISTER AG (8)· patent assignee history
2010Patents assigned to PUTZMEISTER CONCRETE PUMPS (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PUTZMEISTER MASCHF | 14 | 1992–1998 |
| PUTZMEISTER AG | 8 | 1998–2008 |
| PUTZMEISTER CONCRETE PUMPS | 2 | 2010 |
| PUTZMEISTER WEEK MASCHINENFABR | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Filderstadt, DE | 17 | 1994–2010 |
| Leinfelden-Echterdingen, DE | 5 | 1992–1994 |
| Filderstadt-Sielmingen, DE | 3 | 1995–1996 |