37 US patents granted on 23 February 2016 and assigned to Amazon

1	Dynamic carrier switching
2	Response endpoint selection
3	Segmentation approaches for object recognition
4	Visual options for audio menu
5	Facilitating access to data in network page generation code
6	Enhanced control-plane security for network-accessible services
7	Storage device authentication
8	Verification of user communication addresses
9	Adaptive client-aware session security
10	Dynamic service debugging in a virtual environment
11	Managing imaging of multiple computing devices
12	Secured communication in network environments
13	Load balancing for automatic speech recognition
14	Progressive display updates
15	Course content and assignment distribution
16	Object detection with distributed sensor array
17	Multi-tracker object tracking
18	Graphical refinement for points of interest
19	Using a front-facing camera to improve OCR with a rear-facing camera
20	Dynamic location based content rights management
21	Previewing content based on detected customer activities
22	Efficient query processing using histograms in a columnar database
23	Data replication framework
24	Adaptive editing in user interface applications
25	Selecting content-enhancement applications
26	Dynamically selecting example passages
27	Automated test case generation for applications
28	Software testing analysis and control
29	Cached volumes at storage gateways
30	Efficient recovery of storage gateway cached volumes
31	Methods and systems for dynamically managing requests for computing capacity
32	Managing the release of electronic content using a template without version logic
33	Altering content projection
34	Generating media trials based upon media consumption
35	Interface elements for managing gesture control
36	Magnetically coupling a system to a surface
37	Robotic induction in materials handling facilities with batch singulation