Learn more

JOHNSTON DAVID

Overview
  • Total Patents
    30
About

JOHNSTON DAVID has a total of 30 patent applications. Its first patent ever was published in 1894. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets telecommunications, digital networks and electrical machinery and energy are Sichuan public information industry co ltd, APPBYYOU GMBH and DINGLER JOHN R.

Patent filings in countries

World map showing JOHNSTON DAVIDs patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 United States 13
#3 Canada 3
#4 Australia 1

Patent filings per year

Chart showing JOHNSTON DAVIDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johnston David 22
#2 Mcadam William 2
#3 Schmidt Mike 1
#4 Harrison Nigel 1
#5 Rushton James 1
#6 Habeshaw Rosemary 1
#7 Myhre Craig 1
#8 Kitchin Duncan 1
#9 Ransom Bob 1
#10 Wagner Richard 1

Latest patents

Publication Filing date Title
US8382309B1 Light pod system
US2011075844A1 Adaptive packet ciphering
US2010114739A1 Systems and methods for a comprehensive integrated and universal content selling and buying platform
US2010246828A1 Method and system of parallelized data decryption and key generation
US2010166183A1 Optimizing security bits in a media access control (MAC) header
US2009307474A1 Storing a device management encryption key in a network interface controller
CA2721758A1 Window opening protector
US2009172394A1 Assigning nonces for security keys
AU2007219340A1 A hand-held input device for a computer
GB0600210D0 Thin filmed combined heat and power solar panel
US2007087693A1 Common announcement signaling format
GB0519915D0 Diesel farbstoff
US2006218392A1 Spectrum use authorization method, system and apparatus
US2006157622A1 Multi-purpose inflatable kite
GB0327762D0 Lithium-based blanket with lithium vanadate content for neutron multiplication
US8108274B2 Interactive electronic bill payment system
GB0129444D0 Property marketing and conveyancy system
GB0102068D0 Data filter for network security
GB0029521D0 Property marketing and conveyancing system
CA2262206A1 Shearing compactor pump and compacting method