They were involved in a a lot of patent wars, as they tried rigorously to defend their intellectual property in years to come. This somehow shifted their attention off from developing their technology of flying and perfecting it; as is evident from their patents.
We can consider the first patent granted to the wright brothers method of flight control [US821393A] in 1906 as the basic patent or the original patent of an airplane and airplane flight control.
All the patents of the wright brothers, identified through preliminary searches have been given below
|Perfectionnements Aux Machines Aeronautiques||FR342188A|
|Perfectionnements Aux Machines Aeronautiques||FR384124A|
|Perfectionnements Aux Machines Aeronautiques||FR384125A|
|Perfectionnements Aux Machines Volantes||FR401905A|
|Improvements In Aeronautical Machines||GB190406732A|
|Improvements In Or Connected With Flying Machines||GB190824076A|
|Improvements In Or Connected With Flying Machines||GB190824077A|
|Improvements In Or Connected With Flying Machines||GB190902913A|
|Improvements In Mechanism For Actuating The Rudders Or Controlling Planes Of Aeronautical Machines||GB190916068A|
|Mechanism For Flexing The Rudder Of A Flying-Machine Or The Like||US908929A|