| Patents for E04H 12 - Towers; Masts, poles; Chimney stacks; Water-towers; Methods of erecting such structures (12,702) |
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| 08/24/1993 | US5237783 Tower pod for communications equipment |
| 08/19/1993 | WO1993016260A1 An anchoring device |
| 08/18/1993 | EP0555517A2 Stake setting device for positioning, during mortaring and cement hardening, stakes, posts and the like |
| 08/10/1993 | US5233809 Portable antenna mast support system |
| 08/05/1993 | WO1993015292A1 Pultruded composite joint system for electrical transmission towers and other large structures |
| 08/01/1993 | CA2075770A1 Adjustable cervical pillow |
| 07/29/1993 | DE4205487C1 Tipping mast esp. for light emitting mast - has tipped device including piston-cylinder unit which via claw shaped holder with downwardly open recesses fits onto bearing bolt of mast foot |
| 07/28/1993 | EP0552691A1 Construction system for realizing double-walled chimneys as well as ducts for exhaust of gases and steam |
| 07/28/1993 | CN2139154Y Single-column steel pipe iron tower for electric transmission line |
| 07/27/1993 | US5230665 Driving force transmission apparatus, method for producing the same, and extendible structure therewith |
| 07/22/1993 | DE4200939A1 Antenna mast with telescopic pipes which can be inserted one in another - uses biggest pipe as case for pipes and accessories to prevent them from being lost during transportation |
| 07/21/1993 | CN1021680C Electric cable holder of wire pole |
| 07/20/1993 | US5229051 Method for making sleeve encased concrete posts |
| 07/20/1993 | US5228657 Guy wire suspension apparatus |
| 07/20/1993 | US5228260 Cross brace and support arm |
| 07/20/1993 | US5228251 Extendable pole |
| 07/15/1993 | DE4239795A1 Lamp post designed to break on impact - incorporates bored-out section above ground level to produce relatively weak section |
| 07/15/1993 | DE4238181A1 Mounting for communications mast, e.g. for traffic signal unit - has tubes set in concrete and receiving fixing bolts tightened to spread elements and grip inner surface. |
| 07/14/1993 | EP0539478A4 Extendable mast support system |
| 07/14/1993 | CN2138166Y Climbing concrete pole apparatus |
| 06/30/1993 | CN2137276Y Reinforced structure of support for water storage tower chasis |
| 06/30/1993 | CN2137275Y Reinforced concrete wire pole with conic hollow core |
| 06/30/1993 | CN1021467C Equal-diameter steel chimney holder-on upside-down charging method |
| 06/29/1993 | US5222344 Pole structure |
| 06/24/1993 | WO1993012312A1 Ground anchors |
| 06/24/1993 | CA2124813A1 Ground anchors |
| 06/09/1993 | DE4140367A1 Concrete posts for palisading - has flat side and rear faces and convex face on the front side with tapered base for driving into ground |
| 06/08/1993 | US5218375 Rapidly extendible and retractable antenna mast |
| 06/08/1993 | US5217194 Yard swing stabilizer apparatus |
| 06/08/1993 | US5216867 Well mast structure |
| 06/03/1993 | DE4205834C1 Framework of thin walled round fibre compound rods - has fibre compound joint plates connecting cross and diagonal bars to upright bars |
| 05/26/1993 | CN2134451Y Flagpole device |
| 05/25/1993 | US5212912 Structure intended to support a directional antenna mounted substantially at the top of a mast |
| 05/19/1993 | CN1072153A Lifting method for parts of water tower and its lifting machines and tools |
| 05/19/1993 | CN1020777C Extension support unit |
| 05/05/1993 | EP0539478A1 Extendable mast support system |
| 05/04/1993 | US5207406 Umbrella stand |
| 04/29/1993 | DE4134945A1 Socket for ground post - has insert part locked by bearer plate and socket for post locked by foot plate |
| 04/27/1993 | US5205521 Hose reel stand with pivot means |
| 04/20/1993 | US5203817 Fence post bracket |
| 04/20/1993 | US5203746 Telescoping mast assembly |
| 04/15/1993 | WO1993007395A1 Telescoping mast with improved holddown-locking mechanism |
| 04/15/1993 | CA2097697A1 Telescoping mast with improved holddown-locking mechanism |
| 04/14/1993 | CN2129797Y Wave shape steel wire ring type prestress concrete electric pole |
| 04/13/1993 | US5201345 Inflatable containment diaphragm for sealing and removing stacks |
| 04/13/1993 | US5201157 Pole top cover expandable bracket assembly |
| 04/08/1993 | DE4131941A1 Wooden post composed of two sections - has lower section located in ground made of more rot resistant wood than upper section and thus less environment damaging chemicals used. |
| 04/01/1993 | WO1993005688A1 Umbrella anchoring mechanism |
| 03/30/1993 | US5197818 Joint construction |
| 03/30/1993 | US5197506 Tent stake cover apparatus |
| 03/30/1993 | US5197254 Woven wire structures |
| 03/30/1993 | US5197253 Interlocking joint pultrusion construction |
| 03/30/1993 | US5197248 Prefabricated column assembly |
| 03/09/1993 | US5192052 Post extracting fixture |
| 03/04/1993 | WO1993004250A1 A non-conductive electric power support pole |
| 03/03/1993 | EP0530114A1 Dismountable assembly device for metallic framework elements |
| 03/03/1993 | EP0529592A1 Post support |
| 03/02/1993 | US5189773 Mast forming and deployment system |
| 02/24/1993 | CN1069281A Anti-corrosion paint for chimney |
| 02/23/1993 | CA1313745C2 Template for locating the position of a bracket for supporting a vertical pole |
| 02/18/1993 | WO1993003241A1 Corrosion resistant coated steel pole |
| 02/16/1993 | US5186436 Electric fence pole installation apparatus |
| 02/11/1993 | DE4223720A1 Pile driven post supports - has metal tapered star section for driving into soil, with support for post |
| 02/09/1993 | US5184444 Survivable deployable/retractable mast |
| 01/27/1993 | EP0372055B1 Telescopic beam |
| 01/26/1993 | US5181693 Extensible lifting tower with hydraulic cylinders in series |
| 01/25/1993 | CA2051515A1 Transmission wire supporting crossarm |
| 01/21/1993 | WO1993001372A1 Transparent composite structural elements and methods for producing same |
| 01/19/1993 | US5180531 Olefin blends |
| 01/13/1993 | EP0375675B1 Utility insulated cross-arm |
| 01/13/1993 | CN1067950A Flexible pillar type movable machinery |
| 01/05/1993 | US5176440 Pole assembly and methods thereof |
| 01/05/1993 | US5175973 Compression repair method and apparatus |
| 01/05/1993 | US5175971 Utility power pole system |
| 12/29/1992 | US5174535 Cross-arm mounting bracket for poles |
| 12/23/1992 | EP0519680A1 Power pole system |
| 12/23/1992 | CN2125633U Multi-functional water tower |
| 12/16/1992 | EP0518139A1 Device for mounting of telescopical length-variable masts on a mobile carrier |
| 12/16/1992 | EP0517731A1 Apparatus and method for building a foundation for uprights or for making passages therethrough. |
| 12/15/1992 | US5171088 Lighting equipment |
| 12/15/1992 | US5170850 Ratchet operated device for setting a post having an auger attached at one end |
| 12/10/1992 | WO1992021842A1 Flagpole |
| 12/08/1992 | US5169111 Collapsible stand for shade umbrellas |
| 12/08/1992 | US5168828 Lofty flag sheltering house |
| 12/08/1992 | US5168680 Apparatus associated with a vehicle |
| 12/08/1992 | US5168679 Telescoping mast assembly |
| 12/01/1992 | US5167100 Deployable structures |
| 11/26/1992 | WO1992020889A1 Post installation |
| 11/26/1992 | WO1992020888A1 A pole structure |
| 11/26/1992 | DE4207104A1 Constructional system for erecting fencing - uses fence panel posts interlinked by connecting piece at foot and head |
| 11/26/1992 | DE4116738A1 Anchor for building support into ground - has pipe guides and shaped pegs to secure supports on construction site |
| 11/26/1992 | CA2102694A1 Post installation |
| 11/25/1992 | CN2122900U Partial pretressed ring-type wire pole of concrete |
| 11/25/1992 | CN1019219B Connecting method for supports and supporting system |
| 11/24/1992 | US5165663 Ground anchor for fence post, and driving member for installing it |
| 11/18/1992 | CN2122193U Locking mechanism for keeping off people climbing pyton |
| 11/18/1992 | CN1066313A Construction method for high building |
| 11/17/1992 | US5163650 Telescoping mast with improved holddown-locking mechanism |
| 11/17/1992 | US5163262 Collapsible structure |
| 11/17/1992 | CA1310165C Collapsible truss structure |