Assignee
COLUMBIA MACHINE
US·50 granted patents·6 pending applications·980 citations·filing 1974–2024
Top patents by PatentIndex Score
56 records- 0196US4067456AApparatus for arranging and stacking nonrigid articlesCOLUMBIA MACHINE·Filed 1975·Granted Jan 10, 1978·64 cites·5 claims
- 0294US4195959AArticle stacking apparatusCOLUMBIA MACHINE·Filed 1978·Granted Apr 1, 1980·51 cites·6 claims
- 0394US4162016AArticle stacker with overhead finger rakeCOLUMBIA MACHINE·Filed 1978·Granted Jul 24, 1979·51 cites·5 claims
- 0492US5395228AApparatus for forming concrete productsCOLUMBIA MACHINE·Filed 1994·Granted Mar 7, 1995·43 cites·8 claims
- 0591US4063632ASwingable arcuate guide for selectively orienting articlesCOLUMBIA MACHINE·Filed 1976·Granted Dec 20, 1977·50 cites·5 claims
- 0691US3940229AApparatus for manufacturing rough faced bricksCOLUMBIA MACHINE·Filed 1974·Granted Feb 24, 1976·182 cites·7 claims
- 0789US10245756B2Mold assembly for concrete products forming machineCOLUMBIA MACHINE·Filed 2016·Granted Apr 2, 2019·4 cites·14 claims
- 0889US4316693AVariable array can palletizerCOLUMBIA MACHINE·Filed 1979·Granted Feb 23, 1982·55 cites·3 claims
- 0988US10245757B2Mold extractor assembly for concrete products forming machineCOLUMBIA MACHINE·Filed 2016·Granted Apr 2, 2019·7 cites·9 claims
- 1088US3946880AApparatus for disassembling a layered stack of articlesCOLUMBIA MACHINE·Filed 1974·Granted Mar 30, 1976·38 cites·16 claims
- 1187US7635261B2Large pallet machine for forming molded productsCOLUMBIA MACHINE·Filed 2006·Granted Dec 22, 2009·12 cites·32 claims
- 1283US5542837AMold box assembly with partition platesCOLUMBIA MACHINE·Filed 1995·Granted Aug 6, 1996·37 cites·19 claims
- 1381US11795007B1Vertically actuated case turning device and methodCOLUMBIA MACHINE·Filed 2022·Granted Oct 24, 2023·2 cites·20 claims
- 1479US5540869AMethod for forming concrete productsCOLUMBIA MACHINE·Filed 1994·Granted Jul 30, 1996·18 cites·8 claims
- 1578US12221392B2Apparatus for gas entrainment via nano-bubbles into concrete upstream from a product moldCOLUMBIA MACHINE·Filed 2022·Granted Feb 11, 2025·0 cites·16 claims
- 1678US6352236B1Method and apparatus for forming concrete productsCOLUMBIA MACHINE·Filed 1999·Granted Mar 5, 2002·21 cites·5 claims
- 1777US12221391B2Method for adapting an existing concrete products forming machine for forming infused concrete productsCOLUMBIA MACHINE·Filed 2022·Granted Feb 11, 2025·0 cites·16 claims
- 1876US5743510ASelf-aligning mold box assemblyCOLUMBIA MACHINE·Filed 1994·Granted Apr 28, 1998·25 cites·18 claims
- 1975US5939104AApparatus for forming a multilevel concrete productCOLUMBIA MACHINE·Filed 1998·Granted Aug 17, 1999·26 cites·11 claims
- 2075US4298305AMethod and apparatus for transferring loadsCOLUMBIA MACHINE·Filed 1978·Granted Nov 3, 1981·28 cites·20 claims
- 2174US10815072B1Turning device and method for turning articles on conveyorsCOLUMBIA MACHINE·Filed 2019·Granted Oct 27, 2020·5 cites·17 claims
- 2274US10603817B2Fully automated mold change with product height changeCOLUMBIA MACHINE·Filed 2016·Granted Mar 31, 2020·1 cites·19 claims
- 2373US9403646B1Palletizer with configurable diverter and turn lanes for pattern formationCOLUMBIA MACHINE·Filed 2015·Granted Aug 2, 2016·5 cites·18 claims
- 2473US5807591AMethod and apparatus for forming concrete productsCOLUMBIA MACHINE·Filed 1996·Granted Sep 15, 1998·19 cites·4 claims
- 2573US5219591AApparatus for forming concrete blocksCOLUMBIA MACHINE·Filed 1991·Granted Jun 15, 1993·20 cites·8 claims
- 2671US5059110AApparatus for forming concrete blocks having plural separately driven vibrator setsCOLUMBIA MACHINE·Filed 1989·Granted Oct 22, 1991·26 cites·15 claims
- 2770US7198217B2Apparatus for tumbling concrete productsCOLUMBIA MACHINE·Filed 2005·Granted Apr 3, 2007·5 cites·7 claims
- 2870US5505611AApparatus for forming concrete productsCOLUMBIA MACHINE·Filed 1994·Granted Apr 9, 1996·11 cites·9 claims
- 2969US11591268B2Method for gas entrainment via nano-bubbles into concrete upstream from a product moldCOLUMBIA MACHINE·Filed 2019·Granted Feb 28, 2023·0 cites·16 claims
- 3069US4194925AMethod and apparatus for washing mixing containersCOLUMBIA MACHINE·Filed 1977·Granted Mar 25, 1980·35 cites·8 claims
- 3169US2026061663A1Method and connector structure for concrete product moldsCOLUMBIA MACHINE·Filed 2024·Application pending·0 cites
- 3266US5503546AApparatus for forming concrete productsCOLUMBIA MACHINE·Filed 1994·Granted Apr 2, 1996·9 cites·11 claims
- 3365US5866026AMethod and apparatus for accommodating tolerances in a mold for concrete productsCOLUMBIA MACHINE·Filed 1996·Granted Feb 2, 1999·17 cites·12 claims
- 3465US5544405AMethod for forming concrete productsCOLUMBIA MACHINE·Filed 1994·Granted Aug 13, 1996·9 cites·3 claims
- 3564US12305924B2Method and apparatus for hardening mold grids using clamp quenchingCOLUMBIA MACHINE·Filed 2022·Granted May 20, 2025·0 cites·19 claims
- 3663US10967540B2Method for operating a mold extraction assembly in a concrete products forming machineCOLUMBIA MACHINE·Filed 2019·Granted Apr 6, 2021·0 cites·13 claims
- 3763US2010086634A1Large pallet machine for forming molded productsCOLUMBIA MACHINE·Filed 2009·Application pending·0 cites
- 3863US2025214281A1Dynamically adjustable mechanically infinite throw for mold active vibrationCOLUMBIA MACHINE·Filed 2024·Application pending·0 cites
- 3962US11148323B2Method for exchanging molds in a concrete products forming machineCOLUMBIA MACHINE·Filed 2019·Granted Oct 19, 2021·0 cites·17 claims
- 4062US10066300B2Enhanced release compression shoe for use with concrete product forming machinesCOLUMBIA MACHINE·Filed 2016·Granted Sep 4, 2018·0 cites·17 claims
- 4160US5118243APallet load transfer method and apparatusCOLUMBIA MACHINE·Filed 1990·Granted Jun 2, 1992·31 cites·41 claims
- 4257US9656844B2Hoist safety lock mechanismCOLUMBIA MACHINE·Filed 2014·Granted May 23, 2017·3 cites·14 claims
- 4355US2023382009A1Interconnect support plunger for concrete block forming shoeCOLUMBIA MACHINE·Filed 2022·Application pending·0 cites
- 4454US10543618B2Pallet feed method and apparatus for use on a concrete products machineCOLUMBIA MACHINE·Filed 2018·Granted Jan 28, 2020·2 cites·10 claims
- 4552US4498573APail palletizer with rotatable clampsCOLUMBIA MACHINE·Filed 1980·Granted Feb 12, 1985·16 cites·10 claims
- 4651US2010227016A1Large pallet machine for forming molded productsCOLUMBIA MACHINE·Filed 2010·Application pending·0 cites
- 4751US2007262229A1Concrete mold box assembly with polyurethane bonded compartmentsCOLUMBIA MACHINE·Filed 2007·Application pending·0 cites
- 4850US5983752AAdjustable counterweight system for a machine for forming concrete blocks, pavers or the likeCOLUMBIA MACHINE·Filed 1997·Granted Nov 16, 1999·13 cites·17 claims
- 4946US10279507B2Mold transfer assembly for concrete products forming machineCOLUMBIA MACHINE·Filed 2016·Granted May 7, 2019·0 cites·17 claims
- 5044US6177039B1Method for forming concrete productsCOLUMBIA MACHINE·Filed 1998·Granted Jan 23, 2001·7 cites·5 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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