HYDRATIGHT LIMITED patents filed

Company number: 03069889


Title Date Filed Status Publication number
Hydraulic tensioning apparatus 1995-02-01 Granted GB2295433
Hydraulic bolt or stud tensioning apparatus 1994-07-15 Ceased GB2291155
Means for separating bodies having aligned holes 1994-02-22 Terminated GB2286635
A connector for elongate members 1993-08-24 Granted GB2272248
Link pin displacement 1993-04-29 Ceased GB2277474
Tensioning arrangement 1993-02-05 Ceased GB2274893
Spacer washer for bolted joint 1993-02-05 Ceased GB2274892
Cutting elongate objects. 1992-10-30 Ceased GB2271953
Hydraulic nut and bolt fastening arrangement 1992-06-12 Ceased GB2267944
Fluid seal arrangement 1992-01-16 Ceased GB2263527
Fluid operated acuator overstroke prevention. 1991-11-01 Ceased GB2261029
Nut splitter 1991-06-28 Ceased GB2257080
Tensioning method and device 1990-09-17 Ceased GB2236372
Hydraulic piston/cylinder device 1990-06-28 Ceased GB2245681
Bolt tensioning devices 1990-05-30 Ceased GB2247928
Bolt tensioners 1989-05-26 Ceased GB2223075
Washer for releasing bolted connections 1989-05-18 Terminated GB2232217
Pulling tool. 1988-06-11 Ceased GB2219568
Improvements in and relating to handling systems 1988-02-19 Ceased GB2214897
Nut and bolt shank protectors 1987-04-16 Ceased GB2203510
Bolt tensioning apparatus 1987-02-20 Ceased GB2201745
Hydraulic torque wrench 1986-10-20 Terminated GB2182592
Bolt tensioning apparatus 1986-08-08 Ceased GB2193549
Hydraulic bolt tensioner 1984-01-28 Ceased GB2153946
A hydraulic bolt tensioning tool with power drive for rotating a nut 1982-06-26 Terminated GB2124119





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