Carl J. Crane Patent Collections

[Carl Crane authored over XXXX patents.......]

Patents (by number and country)


 United States  Canada Poland Japan
 2,315,501 - Automatic Glide
and Climb Control
 381,620 - Electrical Signaling Apparatus  27427 - Display Unit for Blind Flight
(in Polish)
 144,569 - Improvements in and relating to
navigational Control means
 1937511 - Shock Absorbers for Vehicles  398,044 - Navigational Control Means    
 1955488 - Aerial Flight Instruments  399,423 - Navigational Control Means    
2007964 - Airplane Stabilizers  416,978 - Apparatus for Simulating Wind Effects
in Aviation Ground Trainers
   
 2053182 - Bank and Turn Indicators  379,823 Aircraft Speed Indicators  Great Britain  France
 2152635 - Aircraft Speed Indicators  426,168 - Pencils and Chips  715,269 - Indicating Device for Facilitating
Aircraft Control
 822,245 - Instrument Indicator for 
Aircraft
 2216730 - Rate Indicators  535712 - Craft Control Device and Method  392163 - Improvements in Aerial Flight Integrators  836,374 - Automatic Direction Device
 2220080 - Synchronizing Mechanisms    471537 - Aerial Flight Instruments  
2253508 - Navigating Systems for guiding Aircraft    515087 - Improvements in or relating to steering apparatus for auto indicating and controlling ....  
 2262245 - Cathode Ray Flight Indicator    515205 - Improvements for Automatically Keeping a Vehicle or Vessel on a given Course  
 2265149 - Photoelectric Switch Device      
 2266741 - Panoramic Sextants      
 2280798 - Panoramic Sextants      
 2273022 - Automatic Throttle Controls      
 2276284 - Drift Meter      
 2280117 - Drift Correction Modulated Beams      
 2280797 - Aerial Flight Instruments      
 2283190 - Flight Indicator      
 2291610 - Engine and Flight Factor Indicators      
 2293044 - Rate Indicators      
 2311642 - Electric Throttle Engines      
 2313733 - Leveling Devices      
 2313734 - Temperature Compensated Bubbles for Panoramic Sextants      
 2321582 - Marker Beacon and Landing Gear Controlled Throttle Engines      
 2356828 - Navigation Control Means      
 2323311 - Automatic Altitude Controls      
 2326764 - Navigation Trainer      
 2343281 - Stall, Skid and Slip Warning Devices for Aircraft      
 2358793 - Navigation Instruction Devices      
 2363401 - Navigation Control Means      
 2388252 - Slide Members for Measuring and Marking Devices      
 2393310 - Navigation Instruments      
 2396687 - Airplane Turn Indicators      
 2412206 - Sensitive Switch Control Apparatus      
 2420656 - Efficiency Measuring Devices      
 2450421 - Apparatus for Simulating Wind Effects in Aviation Ground Trainers      
2452038 - Photoelectric Radio Compass Trainer Control      
 2452039 - Apparatus for Simulating Wind Effects in Aviation Ground Trainers      
 2454503 - Automatic Aural-Visual Signal Transmitters for Aviation Ground Trainers      
 2457130 - Blind Flying and Blind Landing Systems for Trainers      
 2459150 - Interception Trainers      
 2488854 - Containers for Dispensing Materials      
 2492969 - Night and All Weather Ground Trainers      
 2685226 - Aircraft Flight Control Optical Indicating Device      
 2791254 - Resilient Disc Type Seed Sheller      
 3292176 - Height Indicating System for Aircraft      
 3307191 - Aircraft Blind Landing Device      
 3797308 - Aircraft Landing Altimeter      
 3840877 - Voice Directed Aircraft Navigation System      
 3907223 - Voice Directed Aircraft Navigation System and Direction Finder      
 3999007 - Aircraft Visual Approach Landing Device      
 2444477 - Automatic Mini Radio Range for Student Training