Learn more

DONN INC

Overview
  • Total Patents
    262
About

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.

Patent filings per year

Chart showing DONN INCs patent filings per year from 1900 to 2020

Top inventors

# 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

Latest patents

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