Pech; David J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pech; David J..The latest application filed is for "lift crane with moveable counterweight".
Company Profile
12.47.29
- Pech; David J. - Manitowoc WI
Patent Activity
| Patent | Date |
|---|---|
| Lift Crane With Moveable Counterweight App 20220119232 - Pech; David J. ; et al. | 2022-04-21 |
| Lift Crane With Improved Movable Counterweight App 20220106170 - Pech; David J. ; et al. | 2022-04-07 |
| Lift crane with moveable counterweight Grant 11,261,064 - Pech , et al. March 1, 2 | 2022-03-01 |
| Mobile Lift Crane with Variable Position Counterweight App 20220024732 - Pech; David J. ; et al. | 2022-01-27 |
| Lift crane with improved movable counterweight Grant 11,208,303 - Pech , et al. December 28, 2 | 2021-12-28 |
| Mobile Lift Crane with Variable Position Counterweight App 20210053802 - Pech; David J. ; et al. | 2021-02-25 |
| Lift Crane With Improved Movable Counterweight App 20210009386 - Pech; David J. ; et al. | 2021-01-14 |
| Mobile lift crane with variable position counterweight Grant 10,865,079 - Pech , et al. December 15, 2 | 2020-12-15 |
| Lift crane with improved movable counterweight Grant 10,647,555 - Pech , et al. | 2020-05-12 |
| Lift Crane With Moveable Counterweight App 20200062558 - Pech; David J. ; et al. | 2020-02-27 |
| Lift crane with moveable counterweight Grant 10,457,530 - Pech , et al. Oc | 2019-10-29 |
| Mobile Lift Crane with Variable Position Counterweight App 20190270623 - Pech; David J. ; et al. | 2019-09-05 |
| Mobile lift crane with variable position counterweight Grant 10,336,589 - Pech , et al. | 2019-07-02 |
| Lift Crane With Improved Movable Counterweight App 20190177134 - Pech; David J. ; et al. | 2019-06-13 |
| Lift crane with improved movable counterweight Grant 10,179,722 - Pech , et al. Ja | 2019-01-15 |
| Lift crane with moveable counterweight Grant 9,278,834 - Pech , et al. March 8, 2 | 2016-03-08 |
| Method of connecting crane suspension assembly sections together and frame mounted assembly used therefore Grant 9,132,999 - Pech , et al. September 15, 2 | 2015-09-15 |
| Mobile Lift Crane with Variable Position Counterweight App 20150251882 - Pech; David J. ; et al. | 2015-09-10 |
| Lift Crane With Improved Movable Counterweight App 20150210515 - Pech; David J. ; et al. | 2015-07-30 |
| Column connector system Grant 9,051,159 - Walker , et al. June 9, 2 | 2015-06-09 |
| Mobile lift crane with variable position counterweight Grant 8,985,353 - Pech , et al. March 24, 2 | 2015-03-24 |
| Mobile lift crane with variable position counterweight Grant 8,827,092 - Pech , et al. September 9, 2 | 2014-09-09 |
| Column Connector System App 20140174018 - Walker; Robert J. ; et al. | 2014-06-26 |
| Crane with boom raising assist structure Grant 8,684,197 - Pech , et al. April 1, 2 | 2014-04-01 |
| Mobile Lift Crane with Variable Position Counterweight App 20130319964 - Pech; David J. ; et al. | 2013-12-05 |
| Mobile lift crane with variable position counterweight Grant 8,511,489 - Pech , et al. August 20, 2 | 2013-08-20 |
| Mobile Lift Crane with Variable Position Counterweight App 20130153525 - Pech; David J. ; et al. | 2013-06-20 |
| Lift Crane with Moveable Counterweight App 20130112642 - Pech; David J. ; et al. | 2013-05-09 |
| Lift Crane with Moveable Counterweight App 20130098860 - Pech; David J. ; et al. | 2013-04-25 |
| Track tensioning system for mobile vehicles, including lift cranes Grant 8,414,091 - Pech , et al. April 9, 2 | 2013-04-09 |
| Carbody connection system and crane using same Grant 8,348,073 - Foust , et al. January 8, 2 | 2013-01-08 |
| Method Of Connecting Crane Suspension Assembly Sections Together And Frame Mounted Assembly Used Therefore App 20120175333 - Pech; David J. ; et al. | 2012-07-12 |
| Drive tumbler and track drive for mobile vehicles, including lift cranes Grant 8,075,069 - Pech , et al. December 13, 2 | 2011-12-13 |
| Mobile Lift Crane With Variable Position Counterweight App 20110247992 - PECH; David J. ; et al. | 2011-10-13 |
| Mobile lift crane with variable position counterweight Grant 7,967,158 - Pech , et al. June 28, 2 | 2011-06-28 |
| Lift Crane With Moveable Counterweight App 20110031202 - Pech; David J. ; et al. | 2011-02-10 |
| Crane With Boom Raising Assist Structure App 20100276385 - Pech; David J. ; et al. | 2010-11-04 |
| Mobile lift crane with lift enhancing attachment Grant 7,766,176 - Pech August 3, 2 | 2010-08-03 |
| Mobile Lift Crane With Lift Enhancing Attachment App 20100116766 - Pech; David J. | 2010-05-13 |
| Carbody Connection System and Crane Using Same App 20100072155 - Foust; Bronson E. ; et al. | 2010-03-25 |
| Track Tensioning System For Mobile Vehicles, Including Lift Cranes App 20090200861 - Pech; David J. ; et al. | 2009-08-13 |
| Drive Tumbler and Track Drive for Mobile Vehicles, Including Lift Cranes App 20090200860 - Pech; David J. ; et al. | 2009-08-13 |
| Mobile lift crane with variable position counterweight Grant 7,546,928 - Pech , et al. June 16, 2 | 2009-06-16 |
| Mobile Lift Crane With Variable Position Counterweight App 20080203045 - Pech; David J. ; et al. | 2008-08-28 |
| Mobile Lift Crane with Variable Position Counterweight App 20080099421 - Pech; David J. ; et al. | 2008-05-01 |
| Liftcrane with synchronous rope operation Grant 6,758,356 - Zuehlke , et al. July 6, 2 | 2004-07-06 |
| Four Track Crawler Crane App 20030127257 - PORUBCANSKY, KENNETH J. ; et al. | 2003-07-10 |
| Four track crawler crane Grant 6,588,521 - Porubcansky , et al. July 8, 2 | 2003-07-08 |
| Hydraulic system for boom hoist cylinder crane App 20030024242 - Zuehlke, Arthur G. ; et al. | 2003-02-06 |
| Hydraulic system for boom hoist cylinder crane Grant 6,481,202 - Zuehlke , et al. November 19, 2 | 2002-11-19 |
| Counter weight handling system and boom parking device Grant 6,131,751 - Pech , et al. October 17, 2 | 2000-10-17 |
| Hydraulic boom hoist cylinder crane Grant 6,062,405 - Pech , et al. May 16, 2 | 2000-05-16 |
| Liftcrane with synchronous rope operation Grant 5,579,931 - Zuehlke , et al. December 3, 1 | 1996-12-03 |
| Ring segment connection Grant 5,522,515 - Pech , et al. June 4, 1 | 1996-06-04 |
| Method for nesting longitudinally divisible crane boom segments Grant 5,487,479 - Pech , et al. January 30, 1 | 1996-01-30 |
| Quick-connect sectional boom members for cranes and the like Grant 5,199,586 - Pech , et al. April 6, 1 | 1993-04-06 |
| Lift enhancing beam attachment with movable counterweights Grant 4,729,486 - Petzold , et al. March 8, 1 | 1988-03-08 |
| Platform crane with counterweight and boom carrier support linkages Grant 4,103,783 - Beduhn , et al. August 1, 1 | 1978-08-01 |
| Demountable gantry, boom hoist and counterweight Grant 4,081,081 - Morrow, Sr. , et al. March 28, 1 | 1978-03-28 |
| Rotary counterweight crane with a removal track section Grant 4,042,115 - Beduhn , et al. August 16, 1 | 1977-08-16 |
| Sea crane tiedown Grant 4,011,955 - Morrow, Sr. , et al. March 15, 1 | 1977-03-15 |
| Boom stop and back hitch compensating system Grant 4,005,780 - Morrow, Sr. , et al. February 1, 1 | 1977-02-01 |
| Demountable self-propelled crane transport assembly Grant 4,000,784 - Morrow, Sr. , et al. January 4, 1 | 1977-01-04 |
| Rotatable bed and roller assembly Grant 3,989,325 - Morrow, Sr. , et al. November 2, 1 | 1976-11-02 |
| Crane with gantry backhitch and boom hoist assembly removable as a unit Grant 3,977,530 - Helm , et al. August 31, 1 | 1976-08-31 |
| Selectively positionable operator's cab Grant 3,891,264 - Hunter, II , et al. June 24, 1 | 1975-06-24 |
| Boom Sheave Assembly Grant 3,680,840 - Pech August 1, 1 | 1972-08-01 |
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