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Description | Patent no. | Patentee | Patent type |
A solid valve tray and a plate tower having such tray | 201620271405.3 | Shenhua Group Co., LTD. China Shenhua Coal to Oil chemical Co., LTD. Changsha Boneng Technology Co., Ltd. |
utility model |
Cleaning system | 201620268943.7 | Shenhua Group Co., LTD. China Shenhua Coal to Oil chemical Co., LTD. Changsha Boneng Technology Co., Ltd. |
utility model |
Packing and a packing tower having such packing | 201620271670.1 | Shenhua Group Co., LTD. China Shenhua Coal to Oil chemical Co., LTD. Changsha Boneng Technology Co., Ltd. |
utility model |
A plate assembly and a gas-liquid separation tower thereof | 201620331517.3 | Shenhua Group Co., LTD. China Shenhua Coal to Oil chemical Co., LTD. Changsha Boneng Technology Co., Ltd. |
utility model |
Float Valve Tray | 201620133588.2 | Shenhua Group Co., LTD. China Shenhua Coal to Oil chemical Co., LTD. Changsha Boneng Technology Co., Ltd. |
utility model |
Heat exchanger and tower system thereof | 201610195610.0 | Shenhua Group Co., LTD. China Shenhua Coal to Oil chemical Co., LTD. Changsha Boneng Technology Co., Ltd. |
patent for invention |
Float valve assembly and float valve tray | 201621094167.X | Shenhua Group Co., LTD. China Shenhua Coal to Oil chemical Co., LTD. Changsha Boneng Technology Co., Ltd. |
utility model |
The invention relates to a continuous evaporation crystallization device for manganese sulfate | 201721039241.2 | Changsha Boneng Technology Co., Ltd. | utility model |
The utility model relates to a tray type dust collector | 201721249463.7 | Changsha Boneng Technology Co., Ltd. | utility model |
The utility model relates to a pneumatic installation clamp for a circular floating valve | 201710889086.1 | Changsha Boneng Technology Co., Ltd. | patent for invention |
The utility model relates to a heat treatment equipment for a weld | 201821850609.8 | Changsha Boneng Technology Co., Ltd. | utility model |
pneumatic gripping | 201821843376.9 | Changsha Boneng Technology Co., Ltd. | utility model |
The utility model relates to a Mosaic structure welded truss beam lmy183 | 201821197590.3 | Changsha Boneng Technology Co., Ltd. | utility model |
Truss lmy186 | 201830411587.4 | Changsha Boneng Technology Co., Ltd. | Appearance Design |
A garland pile packing | 201920022081.3 | Changsha Boneng Technology Co., Ltd. | utility model |
The utility model relates to a novel H-shaped guide solid valve tray | 201920021995.8 | Changsha Boneng Technology Co., Ltd. | utility model |
A new type of solid valve tray | 201920025586.5 | Changsha Boneng Technology Co., Ltd. | utility model |
The utility model relates to a floating valve tray with a guiding function | 201920022086.6 | Changsha Boneng Technology Co., Ltd. | utility model |
The utility model relates to a fully automatic cutting machine for corrugated plate packing | 201921386129.5 | Changsha Boneng Technology Co., Ltd. | utility model |
The utility model relates to a tray clamp structure | 201921620492.9 | Changsha Boneng Technology Co., Ltd. | utility model |
A new type of chord structure of tray truss supporting beam is presented | 201921928020.X | Changsha Boneng Technology Co., Ltd. | utility model |
An automatic strip winder | 201911085629.X | Changsha Boneng Technology Co., Ltd. | patent for invention |
The utility model relates to a packing grating used for petrochemical equipment | 202021575877.0 | Changsha Boneng Technology Co., Ltd. | utility model |
Support beam | 202030527229.7 | Changsha Boneng Technology Co., Ltd. | Appearance Design |
A hexanolactam turntable tower | 202021837463.0 | Changsha Boneng Technology Co., Ltd. | utility model |
The utility model relates to a liquid collection and redistribution device | 202021925762.X | Changsha Boneng Technology Co., Ltd. | utility model |
The invention relates to a metal packing and a packing tower | 202020782070.8 | Changsha Boneng Technology Co., Ltd. | utility model |
The invention relates to a floating valve tray and a floating valve tower | 202020667037.0 | Changsha Boneng Technology Co., Ltd. | utility model |
The utility model relates to a passing type automatic antirust oil spraying machine | 202120187224.3 | Changsha Boneng Technology Co., Ltd. | utility model |
The invention relates to an automatic nut welding device | 202121634498.9 | Changsha Boneng Technology Co., Ltd. | utility model |
The utility model relates to a double-sided bidirectional grinding machine | 202121634213.1 | Changsha Boneng Technology Co., Ltd. | utility model |
The invention relates to a packing and a packing tower | 202121927716.8 | Changsha Boneng Technology Co., Ltd. | utility model |
A random packing tower | 202121925520.5 | Changsha Boneng Technology Co., Ltd. | utility model |
An empty tower spray tower | 202122345863.0 | Changsha Boneng Technology Co., Ltd. | utility model |
The packing cleaning line is structured by automatic ultrasonic wave | 202220192408.3 | Changsha Boneng Technology Co., Ltd. | utility model |
Apparatus for separating butene-1 from ether carbon tetra | 202220912701.2 | Changsha Boneng Technology Co., Ltd. | utility model |
Methanol rectification tower | 202221097294.0 | Changsha Boneng Technology Co., Ltd. | utility model |
Triethylene glycol rectification unit and EO/EG device | 202222145274.2 | Changsha Boneng Technology Co., Ltd. | utility model |
Cresol alkylation reaction system | 202222189296.9 | Changsha Boneng Technology Co., Ltd. | utility model |
Anti-blocking grid packing unit and extraction tower | 202320197219.X | Changsha Boneng Technology Co., Ltd. | utility model |
Chimney tray device to prevent liquid escape | 202320524103.2 | Changsha Boneng Technology Co., Ltd. | utility model |
Solid valve tray and rectification tower | 202320212957.7 | Changsha Boneng Technology Co., Ltd. | utility model |
Caprolactam back extraction equipment | 202321037325.8 | Changsha Boneng Technology Co., Ltd. | utility model |
Patent Certificate
Experimental Device
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