Kilner jar

The Kilner Jar was originally invented by John Kilner (1792–1857) and associates,^[4] and manufactured by the Kilner glass bottlemakers company from Yorkshire, which he set up.^[5] The original Kilner bottlemakers operated from 1842, when the company was first founded, until 1937, when the company went into liquidation.

In 2003,^[6] The Rayware Group purchased the Ravenhead name, including Kilner jar (a subsidiary of Ravenhead) and continues to produce them today in China.^[7][8]

• 
  A Kilner jar from no later than 1928
• 
  The open jar

The various names of the Kilner companies were:

• John Kilner and Co, Castleford, Yorkshire, 1842–1844
• John Kilner and Sons, Wakefield, Yorkshire, 1847–1857
• Kilner Brothers Glass Co, Thornhill Lees, Yorkshire, 1857–1873 also at Conisbrough, Yorkshire, 1863–1873
• Kilner Brothers Ltd, Thornhill Lees, Yorkshire 1873–1920 also at Conisbrough, Yorkshire, 1873–1937.

• Mason jar
• Weck jar
• Fowler's Vacola jar
• Food preservation
• Home canning
• Screw cap
• Sterilisation