| Patents for E04H 12 - Towers; Masts, poles; Chimney stacks; Water-towers; Methods of erecting such structures (12,702) |
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| 12/24/1996 | US5586742 For supporting an electrical fixture |
| 12/24/1996 | CA2179587A1 Scaffolding mast |
| 12/11/1996 | CN2242297Y Mechanical high efficiency machine for erecting poles |
| 12/05/1996 | WO1996038641A1 Telescopic device, especially a spreader, support or clamping device |
| 12/05/1996 | WO1996038639A1 A damped element |
| 12/05/1996 | DE19609749A1 Telescopically extend and retractable tower construction |
| 12/05/1996 | DE19519797A1 Teleskopische Vorrichtung, insbesondere Spreiz- bzw. Stützvorrichtung oder Einspannvorrichtung Telescopic device, in particular spreading or supporting device or jig |
| 12/04/1996 | EP0745171A1 Collapsible box truss |
| 11/28/1996 | DE19519489A1 Straightening mechanism for partly bent street lamp masts |
| 11/27/1996 | EP0744575A1 Framed structure |
| 11/27/1996 | CN2241378Y Composite glass fibre reinforced plastic rod pillar insulator device |
| 11/26/1996 | US5577713 Post support with offset slanted stake and method for using same |
| 11/26/1996 | CA2150170A1 Sunshade assembly |
| 11/21/1996 | DE19518059A1 Repair system for lighting masts at ground level |
| 11/21/1996 | DE19517233A1 Marker anchor for fixing surveying measuring points in ground |
| 11/20/1996 | EP0742862A1 Pultruded composite joint system for electrical transmission towers and other large structures |
| 11/19/1996 | US5575308 Torque-resisting anchor for irrigation valve |
| 11/13/1996 | EP0741830A1 A holder for a flagstaff finial |
| 11/13/1996 | CN2240010Y Automatic fluttering flagpole |
| 11/13/1996 | CN2240009Y Concrete-jacketing steel pipe tower |
| 11/13/1996 | CN2240008Y Derrick lifting freestanding tower of flood lighting |
| 11/12/1996 | US5572846 Poster resistant pole |
| 11/12/1996 | US5572837 Pneumatic telescoping mast |
| 11/05/1996 | US5570546 System for raising and lowering communications equipment |
| 10/31/1996 | WO1996034166A1 Support device for elongate member |
| 10/29/1996 | US5568909 Mounting bracket |
| 10/29/1996 | US5568785 Utility marking device |
| 10/23/1996 | EP0593753B1 Post support |
| 10/09/1996 | EP0736651A1 Mast assembly |
| 10/08/1996 | US5561950 Capable of adjusting the height of a structural member |
| 10/02/1996 | EP0734482A1 Batonvrille= holder for beach-umbrella |
| 10/02/1996 | EP0734481A1 Antenna tower |
| 10/02/1996 | DE19547092A1 Anchoring ground screw for temporary holding of component |
| 10/01/1996 | US5560588 Support for temporary guard railing |
| 09/26/1996 | DE19604722A1 Ground-anchor bolt with adaptor for temporary fences etc. |
| 09/24/1996 | US5557900 Playground structural member using recycled plastic |
| 09/24/1996 | US5557892 Power mast |
| 09/18/1996 | EP0731869A1 A ground anchorage device with a post belonging thereto |
| 09/18/1996 | EP0731868A1 A post |
| 09/18/1996 | CN1131226A Concrete structure chimney big hole cutting and reforming method |
| 09/17/1996 | US5556673 Transparent composite structural elements and methods for producing same |
| 09/17/1996 | US5556089 Safety base with anchor, methods of using and making, and associated tool |
| 09/17/1996 | US5556066 Installation structure of outdoor communication device |
| 09/17/1996 | CA2071303C Utility power pole system |
| 09/10/1996 | US5553833 Safety barrier mount |
| 09/10/1996 | US5553438 Methods of extending wood pole service life |
| 09/10/1996 | US5553433 Furring apparatus and method for applying same to cylindrical columns |
| 09/03/1996 | USRE35322 Method and apparatus for composite pole repair |
| 08/28/1996 | CN2233968Y Pre-fabricated concrete base for metal lamp pole |
| 08/28/1996 | CN2233967Y Reinforced concrete pole |
| 08/24/1996 | CA2143266A1 Soil-driven mast support device |
| 08/22/1996 | DE19604543A1 Clamp for vertical bar shaped objects, with support with openings |
| 08/22/1996 | CA2168711A1 Telescoping mast assembly |
| 08/20/1996 | US5547315 Post anchor |
| 08/14/1996 | EP0585294B1 A pole structure |
| 08/07/1996 | CN1128317A Wind electricity tourist tower |
| 08/06/1996 | US5542229 Concrete pole and method of reinforcing same |
| 08/01/1996 | WO1996023118A1 Ground fixing |
| 07/31/1996 | EP0724050A1 Device for tensioning and unfolding a flag |
| 07/31/1996 | EP0504345B1 Convertible structural element |
| 07/30/1996 | US5540017 Telescopic flagpole |
| 07/24/1996 | CN2231702Y Inserted hinging supporter for raising whole iron tower |
| 07/16/1996 | US5535978 Beach umbrella anchoring apparatus |
| 07/11/1996 | WO1996021071A1 Device for supplying a filling substance to a void |
| 07/09/1996 | US5533304 Adjustable antenna support |
| 07/06/1996 | CA2166659A1 Reinforcing system for structural supports |
| 07/03/1996 | EP0578636B1 Anchorage device for use in sand or sandy soils |
| 07/02/1996 | US5531419 Mast base, especially for a temporarily erected mast |
| 06/27/1996 | DE4446317A1 Construction equipment for anchoring in ground |
| 06/25/1996 | US5529276 Frangible guy attachment for utility poles |
| 06/25/1996 | CA2069666C Outdoor service system |
| 06/20/1996 | WO1996018788A1 Strengthening of poles |
| 06/20/1996 | WO1996018784A1 Collapsible box truss |
| 06/20/1996 | DE4445165A1 Method of erecting electric grid pylons esp. for HV overhead power lines |
| 06/18/1996 | US5527216 Chimney |
| 06/18/1996 | CA2095761C Portable antenna mast support system |
| 06/11/1996 | US5524855 Umbrella post sand anchor |
| 06/11/1996 | US5524411 Handhole cover |
| 06/11/1996 | US5524408 Method of and splice for repairing poles |
| 06/11/1996 | US5524398 Portable collapsible tower |
| 06/06/1996 | CA2137335A1 Star picket/post |
| 06/05/1996 | CN2228618Y Electronic ignition alcohol stove |
| 05/30/1996 | DE4441942A1 Mast installation for quasi-stationary operation |
| 05/29/1996 | CN1123564A Raising and lowering columns |
| 05/24/1996 | CA2136461A1 Utility pole safety device |
| 05/22/1996 | CN2227708Y Flagpole having mechanical blowing |
| 05/21/1996 | US5517793 System for protecting fireplaces and chimneys from adverse seismic or wind forces |
| 05/21/1996 | US5517792 Guy-wire guard assembly and method of installing same |
| 05/08/1996 | EP0710999A1 Installation structure of an outdoor communication device |
| 05/07/1996 | US5513477 Segmented, graded structural utility poles |
| 05/07/1996 | CA2070885C Universal pole anchoring device |
| 05/01/1996 | CN1121567A Improved deformable member |
| 05/01/1996 | CN1121406A Filing tower for recording left comments and names |
| 04/24/1996 | EP0708294A1 Lamppost |
| 04/23/1996 | US5509502 Construction elevator |
| 04/18/1996 | WO1996011137A1 A mooring tower assembly for a lighter-than-air vehicle |
| 04/17/1996 | EP0706600A1 A vibration damper for a chimney |
| 04/16/1996 | CA2039089C Pole splicing joint and method |
| 04/11/1996 | WO1996010715A1 Closure lid for wall openings |
| 04/11/1996 | DE4445274A1 Device for anchoring beach basketball stand in foundation |