|
Title |
Patent Number |
Date of Grant |
|---|---|---|
|
A horizontal guide drilling bit for gravel, block and highly weathered strata |
Utility Model Patent 2023 2 0082813.4 |
2023-05-16 |
|
A cutting type hole expander for gravel strata and highly weathered rock strata |
Utility Model Patent 2023 2 0573560.0 |
2023-05-16 |
|
A steel pipe lifting and clamping tool |
Utility Model Patent 2023 2 0082812.X |
2023-04-28 |
|
A rotary drill bit salvage tool |
Utility Model Patent 2022 2 3187939.2 |
2023-04-28 |
|
A device for quickly adjusting the verticality of H-shaped sheet piles |
Utility Model Patent 2022 2 3218458.3 |
2023-04-11 |
|
A composite core barrel with welded roller-cone bits and cutting picks |
Utility Model Patent 2022 2 3326841.0 |
2023-04-11 |
|
A noise reduction device for power head of rotary drilling rigs |
Utility Model Patent 2022 2 3322418.3 |
2023-04-11 |
|
A core barrel with cutting picks |
Utility Model Patent 2022 2 3396701.0 |
2023-04-11 |
|
Horizontal displacement monitoring device, system and method for in-service metro tunnels |
Invention Patent 2021 1 0863612.3 |
2023-03-17 |
|
Composite core barrel for rotary drilling rigs |
Utility Model Patent 2022 22005523.8 |
2022-11-01 |
|
An anti-tip centering rod fixing bracket for surveying instruments |
Utility Model Patent 2022 21742091.2 |
2022-11-01 |
|
A sampler for deep drilling mud |
Utility Model Patent 2022 2 1024261.3 |
2022-10-14 |
|
Built-in steel mold for round inspection wells |
Utility Model Patent 2022 21643974.8 |
2022-10-14 |
|
A device that enables a single person to assemble a core barrel with a single roller-cone bit |
Utility Model Patent 2022210785569 |
2022-10-14 |
|
A cross-river level surveying method and system |
Invention Patent 2021108649250 |
2022-09-09 |
|
A construction method of rotary bored piles in reef limestone strata |
Invention Patent 2020104390596 |
2022-09-06 |
|
Connection structures for lifting large tonnage rebar cages |
Utility Model Patent 2022 20858728.8 |
2022-08-09 |
|
A lifting device for large tonnage rebar cages |
Utility Model Patent 2022 20858729.2 |
2022-08-09 |
|
A vacuum pumping device |
Utility Model Patent 202123359717X |
2022-07-12 |
|
Underwater leakage stopping device for pipelines |
Utility Model Patent 2022200389791 |
2022-06-24 |
|
A construction method of deep-hole high-pressure rotary jet grouting pile in gravel soil layer |
Invention Patent 2020101910495 |
2022-06-24 |
|
A construction method for reducing horizontal restraint of bedrock in rock-socket piles |
Invention Patent 2020111600300 |
2022-05-27 |
|
A method for analyzing the pullout resistance of piles |
Invention Patent 2020109271339 |
2022-04-26 |
|
An anti-slant drilling tool and drilling method for rotary drilling in karst strata |
Invention Patent 2020105542079 |
2022-04-08 |
|
An equipment for manufacturing and moving large-diameter extra-long rebar cages and the method of using it |
Invention Patent 2020103634061 |
2022-04-08 |
|
Dust collection device and drilling device |
Utility Model Patent 2021203897476 |
2022-01-07 |
|
An auxiliary device for lifting the casing of concrete grouting piles |
Invention Patent 2019112718237 |
2021-11-05 |
|
Formwork for road construction and molds for road construction |
Utility Model Patent 2021203776753 |
2021-11-05 |
|
A drill bit with the function of cleaning the bottom of the hole for drilling small diameter deep wells |
Utility Model Patent 2021201876193 |
2021-11-05 |
|
Steel plate specimen fastening bracket and steel plate specimen fastening device |
Utility Model Patent 202120187870x |
2021-09-24 |
|
A special lifting device and its lifting method for lifting extra-long rebar cages of grouting piles |
Invention Patent 2020101824767 |
2021-08-10 |
|
A method for quantitative analysis of load-bearing properties of piles |
Invention Patent 201810088416.1 |
2021-05-04 |
|
A rapid positioning device for the foundation ground bolts of photovoltaic power plants |
Invention Patent 201910269869.9 |
2021-03-12 |
|
A self-use device for drilling mud circulation |
Utility Model Patent 202020325950.2 |
2020-12-08 |
|
A grouting pipe and grouting construction method suitable for grouting construction under restricted space conditions |
Invention Patent 2018105306609 |
2020-09-29 |
|
A method of static load test for grouted piles |
Invention Patent 201810268879.6 |
2020-09-29 |
|
A pile heating device and heating method for geopolymer piles with red mud and fly ash |
Invention Patent 201810529688.0 |
2020-09-01 |
|
A construction method of geopolymer pile with red mud and fly ash whose pile body can be heated |
Invention Patent 201810530645.4 |
2020-09-01 |
|
A method and system for judging the boring status of a tunnel boring machine |
Invention Patent 2018115079599 |
2020-04-07 |
|
Combined electromagnetic vibration exciter testing device |
Utility Model Patent 201920468017.8 |
2020-01-10 |
|
A method of construction of bored piles crossing karst caves |
Invention Patent 2016108407180 |
2019-08-30 |
|
A geopolymer material formulation of red mud and fly ash at room temperature and its preparation method |
Invention Patent 2016103123958 |
2019-08-09 |
|
A method of preparing geopolymer materials from red mud and fly ash |
Invention Patent ZL201610017921.8 |
2019-02-26 |
|
A formulation of dealkalized red mud and fly ash geopolymer material and its preparation method |
Invention Patent ZL201610312394.3 |
2019-02-01 |
|
A geopolymer material formulation of red mud and fly ash and its preparation method |
Invention Patent ZL201610312393.9 |
2019-02-19 |
|
A filling method for karst ground collapse in shallowly buried karst areas |
Invention Patent ZL201610354147.X |
2019-01-04 |
|
A construction method for reverse circulation hole drilling for large diameter vertical shafts in bedrock fracture zones |
Invention Patent 201510203173.8 |
2017-05-17 |
|
A reinforcement method for red mud storage yards |
Invention Patent 201510202907 |
2016-07-06 |
|
A construction method of connecting rebar cages of cast-in situ piles at the borehole |
Invention Patent 201410378895.2 |
2016-02-24 |
|
A construction method for small diameter deep wells using a full-section high counterweight bit device |
Invention Patent 201310362469.5 |
2015-11-18 |
|
A non-destructive detection method of karst at the bottom of piles |
Invention Patent 2010 1 0539461.8 |
2013-01-09 |
|
A reinforcement treatment method for weak foundation |
Invention Patent ZL2010 1 0539463.7 |
2012-01-11 |
|
Preloading consolidation method for soft ground reinforcement |
Invention Patent ZL.2008 1 0055390.7 |
2009-12-23 |
