| Patents for E04H 12 - Towers; Masts, poles; Chimney stacks; Water-towers; Methods of erecting such structures (12,702) |
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| 11/10/1999 | EP0955414A2 Fastening device for the poles of traffic lights or the like |
| 11/10/1999 | CN2348050Y Telescopic flagpole |
| 11/10/1999 | CN2348049Y Electric blowing flag box |
| 11/09/1999 | US5980070 Pneumatically telescoping mast |
| 11/09/1999 | US5979355 Tail flag assembly for pole trailer |
| 11/09/1999 | US5979119 Components and assemblies for building construction and methods of making and using same |
| 11/04/1999 | WO1999055989A1 Structural steel elements |
| 11/03/1999 | EP0953698A1 Clamp assembly, clamp with a mast connected to at least one arm using this clamp |
| 11/03/1999 | EP0953093A1 Improvements in or relating to a support device |
| 11/02/1999 | US5975500 Cast concrete fence posts and cast concrete bases for said posts |
| 11/02/1999 | CA2190864C A mooring tower assembly for a lighter-than-air vehicle |
| 11/02/1999 | CA2035014C Means and method for rigidly elevating a structure |
| 10/28/1999 | DE19817832A1 Stützenschuh zur Befestigung eines Betonpfahles auf einer Unterlage The support structure for fastening a concrete pile on a base |
| 10/27/1999 | EP0952265A2 Column mounting plate for the mounting of a concrete pole on a support |
| 10/27/1999 | CN1045910C Drawing method for metal conic tube of integrated road lamp pole |
| 10/26/1999 | CA2120656C Apparatus for joining structural components |
| 10/14/1999 | DE19816251A1 Method for renovating overhead line supports |
| 10/12/1999 | US5964180 Line marker |
| 10/07/1999 | WO1999050516A1 Wooden flagstaff as well as a method for the manufacture thereof |
| 10/06/1999 | CN2342047Y Flag pole of artificial wind |
| 10/06/1999 | CN2342046Y Mini water tower |
| 10/05/1999 | US5961091 Pole support for use on decked surfaces |
| 09/30/1999 | DE19812833A1 Procedure for exchanging mast heads of angle support mast of installed overhead conductor |
| 09/30/1999 | DE19812705A1 Procedure for exchanging mast heads of support mast of installed overhead conductor |
| 09/30/1999 | DE19811619A1 Vorrichtung zur Ein- oder Überleitung von Kräften und/oder Biegemomenten in den Stab eines Stabtragwerkes und mit einer solchen Vorrichtung ausgerüstetes Stabtragwerk Apparatus for input or transfer of forces and / or bending moments in the bar of a bar support structure and having such a device equipped Lattice framework |
| 09/30/1999 | CA2230261A1 Special purpose concrete base |
| 09/29/1999 | EP0945567A2 Outdoor pole and process of manufacture thereof |
| 09/29/1999 | CN2340839Y Energy saving water delivery device for water tower |
| 09/28/1999 | US5957424 Device for the vertical arrangement of a pole or post-like object |
| 09/28/1999 | US5957145 Selectively moveable umbrella |
| 09/28/1999 | US5956915 Tubular drill mast |
| 09/23/1999 | WO1999047771A1 Device for introducing or transmitting forces and/or bending moments into the bar of a bar-type supporting frame and bar-type supporting frame having such a device |
| 09/23/1999 | WO1999047770A1 Utility pole mounting structure |
| 09/23/1999 | CA2324111A1 Bar-type supporting frame with bar and means for introducing or transmitting forces and/or bending moments into the bar |
| 09/23/1999 | CA2227021A1 Post anchoring device |
| 09/16/1999 | DE19810521A1 Vorrichtung zum Erhöhen eines Freileitungsmastes Means for increasing a power pylon |
| 09/16/1999 | DE19810334A1 Elastic fixing pedestal for post, e.g. road sign post |
| 09/15/1999 | EP0942119A2 Device for increasing the height of a high tension cable mast |
| 09/07/1999 | US5946881 Form for casting a concrete fence post in situ and process for its use |
| 09/04/1999 | WO1999045209A1 Self-installing post |
| 09/01/1999 | EP0939183A1 Driving ground socket |
| 08/26/1999 | WO1999042684A1 Enclosure for signal repeater |
| 08/25/1999 | EP0937841A1 Method of renovation of steel constructions |
| 08/25/1999 | CN2334828Y Domestic full automatic ground water tower |
| 08/24/1999 | US5941485 Assembly for mounting a removable step to a hollow utility pole |
| 08/24/1999 | US5941036 Integrated communications equipment enclosure and antenna tower |
| 08/19/1999 | WO1999041509A1 Telescopic support |
| 08/12/1999 | DE19911993A1 Balcony sun screen holder |
| 08/10/1999 | US5934035 Modular pillar |
| 08/05/1999 | DE19803954A1 Mast raising procedure for use in high voltage overhead line construction |
| 08/05/1999 | DE19803916A1 Foundation for fixing structural elements made of steel |
| 08/04/1999 | CN2331723Y Inserted steel pipe tower |
| 08/03/1999 | US5931450 Modular fencing system |
| 07/29/1999 | DE19805474C1 Telescopic support strut for tent |
| 07/28/1999 | EP0930965A1 Pole and method for its manufacture |
| 07/28/1999 | CN2330739Y Blowing type flagpole |
| 07/27/1999 | US5927925 Pole setting guide |
| 07/27/1999 | US5927694 Easy picket post |
| 07/27/1999 | US5927677 Swivel post anchor |
| 07/27/1999 | CA2211807C Lightweight prestressed tower |
| 07/23/1999 | CA2246852A1 Cover for utility pole |
| 07/22/1999 | CA2227854A1 Apparatus for laterally offsetting power lines from utility poles |
| 07/20/1999 | US5924832 Hoisting apparatus for a tent pole |
| 07/13/1999 | US5921048 Three-dimensional iso-tross structure |
| 07/13/1999 | US5921035 For anchoring a shaft in hard ground |
| 07/08/1999 | WO1998016376A8 Pole and method for its manufacture |
| 07/07/1999 | CN2327753Y Corrosionproof flagpole |
| 06/30/1999 | CN2326678Y High-taper combined annular reinforced concrete pole |
| 06/30/1999 | CN2326677Y Water-cooling tower |
| 06/30/1999 | CN2326676Y Combined annular reinforced concrete conic pole |
| 06/24/1999 | DE19859900A1 Stand for Christmas tree, parasol, signpost, post for notice, flagpole, washing line pole, etc. |
| 06/23/1999 | EP0924350A1 Column frame with opening preventive utensils |
| 06/23/1999 | CN2325465Y Miniature multi-function and rotating arm type equipment for installing high power line tower |
| 06/23/1999 | CN1220712A Column frame with opening preventive utensils |
| 06/22/1999 | US5913783 Portable multiple-purpose floor-ceiling column for office |
| 06/22/1999 | US5913778 Flanged mounting system for an in-ground basketball system |
| 06/16/1999 | EP0784565A4 A mooring tower assembly for a lighter-than-air vehicle |
| 06/15/1999 | US5911399 Vehicle anchored support |
| 06/10/1999 | DE19743415A1 Self boring concrete pile |
| 06/10/1999 | CA2254628A1 Pole top protective device and method |
| 06/09/1999 | EP0804665A4 Telescopic flare pipe tower |
| 06/03/1999 | WO1999027215A1 Base for securing shaped rods |
| 06/02/1999 | DE19842297A1 Sockel zur Befestigung von Profilstäben Base for mounting on bars |
| 06/02/1999 | CN2321872Y Bidirectional self-locking winder |
| 06/01/1999 | US5909005 Combination bearing plate and electrical grounding apparatus |
| 05/26/1999 | EP0918107A2 Base for fixing a profile |
| 05/26/1999 | CN2320724Y Internal rope flagpole locator |
| 05/25/1999 | US5906077 Anchoring device particularly for umbrellas |
| 05/20/1999 | WO1999024672A1 Support post securing system |
| 05/20/1999 | WO1998053160A3 Methods of reinforcing wooden supports, apparatuses for use in reinforcing wooden supports, and reinforced wooden supports |
| 05/20/1999 | CA2309584A1 Support post securing system |
| 05/19/1999 | CN2319493Y Elevating horizontal scroll rod |
| 05/18/1999 | US5904004 Integrated communications equipment enclosure and antenna tower |
| 05/12/1999 | EP0915219A1 Column base |
| 05/12/1999 | DE19838468A1 Length variable mast for engineering measurement in wind tunnels as probe carrying arm |
| 05/12/1999 | DE19748386A1 Anchorage element for fence post |
| 05/12/1999 | CN2318334Y Flagpole with jet pipe for flag waving |
| 05/11/1999 | US5901526 Landscape timber connecting system |
| 05/11/1999 | US5901525 Elevated base for column support |
| 05/11/1999 | CA2139832C Channelizing device |