DONN INC has a total of 262 patent applications. Its first patent ever was published in 1978. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, machines and machine tools are FLEX ABILITY CONCEPTS L L C, Schöck Bauteile GmbH and BRADY TODD A.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 52 | |
#2 | Canada | 26 | |
#3 | United Kingdom | 26 | |
#4 | France | 21 | |
#5 | Germany | 20 | |
#6 | Australia | 13 | |
#7 | South Africa | 12 | |
#8 | Japan | 11 | |
#9 | Brazil | 10 | |
#10 | New Zealand | 10 | |
#11 | Belgium | 9 | |
#12 | Sweden | 9 | |
#13 | Italy | 4 | |
#14 | EPO (European Patent Office) | 3 | |
#15 | Spain | 3 | |
#16 | Finland | 3 | |
#17 | Hong Kong | 3 | |
#18 | Ireland | 3 | |
#19 | Republic of Korea | 3 | |
#20 | Netherlands | 3 | |
#21 | Norway | 3 | |
#22 | WIPO (World Intellectual Property Organization) | 3 | |
#23 | Austria | 2 | |
#24 | China | 2 | |
#25 | Singapore | 2 | |
#26 | Switzerland | 1 | |
#27 | Greece | 1 | |
#28 | Israel | 1 | |
#29 | Mexico | 1 | |
#30 | Malaysia | 1 | |
#31 | Philippines | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Machine tools | |
#4 | Mechanical elements | |
#5 | Electrical machinery and energy | |
#6 | Surface technology and coating |
# | Technology | |
---|---|---|
#1 | General building constructions | |
#2 | Structural elements | |
#3 | Finishing work on buildings | |
#4 | Unspecified technologies | |
#5 | Punching metal | |
#6 | Unspecified technologies | |
#7 | Nails | |
#8 | Layered products | |
#9 | Non-portable lighting devices | |
#10 | Special light sources |
# | Name | Total Patents |
---|---|---|
#1 | Mieyal David F | 47 |
#2 | Shirey Richard | 38 |
#3 | Worley Robert F | 26 |
#4 | Sauer Gale E | 21 |
#5 | Bosl George F | 14 |
#6 | Hocevar Joseph A | 13 |
#7 | Lalonde Paul D | 12 |
#8 | Alvarez Dennis A | 12 |
#9 | Kelly Patrick M | 11 |
#10 | Shirey R | 10 |
Publication | Filing date | Title |
---|---|---|
SE8902972L | Suspension ceiling grid system - includes through-runners with connector openings for end connectors engaged and disengaged by lateral movement | |
CA1249409A | Honeycomb floor panel and the like | |
US4817357A | Suspension ceiling grid tee | |
US4744188A | Suspended island ceiling system | |
US4779394A | Connector for suspension ceiling grid | |
CN1050508A | Cold roll-formed structures and method and apparatus for producing same | |
US4770018A | Method for producing cold roll-formed structures | |
CA1287207C | Suspension ceiling system combining snap-up pans and lay-in panels | |
US4696142A | Suspension ceiling with snap-up panels | |
US4753058A | Elevated floor panel and method of manufacturing same | |
GB8616854D0 | Suspension ceiling system | |
US4689870A | Method of making honeycomb floor panel | |
US4625491A | Elevated floor panel with integral trim | |
US4640064A | Suspension ceiling system combining snap-up pans and lay-in panels | |
US4594833A | Honeycomb floor panel and the like | |
US4671832A | Access floor panel with edge trim | |
US4642418A | Utility module for walls and the like | |
US4611453A | Suspension ceiling grid connectors | |
US4621474A | Grid connectors for suspension ceiling | |
US4648230A | Locking connection for suspension ceiling grid systems |