U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."

Lee deForest, American radio pioneer ; 1957

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Mahaffy & Harder Engineering Co.


Location: Totowa, NJ
No. of patents: 11

NumberTitleIssue Date
4349999Packaging techniques for semi-rigid packages
A package comprising a receptacle cup of semi-rigid plastic having a top of semi-rigid plastic sealed to flanges of the receptacle and formed inwardly to press against the packaged product and hold it in place with or without evacuation of the interior. D...
09/21/1982
4308711Packaging apparatus and techniques for forming closure-tops
Packaging apparatus for making vacuum or gas-filled packages of the type including a flanged cup-shaped receptacle with a closure film sealed to the flanges and stretched down into the cup to engage and press against the product. The apparatus comprises a...
01/05/1982
4277931Packaging techniques for semi-rigid packages
A package comprising a receptacle cup of semi-rigid plastic having a top of semi-rigid plastic sealed to flanges of the receptacle and formed inwardly to press against the packaged product and hold it in place with or without evacuation of the interior. D...
07/14/1981
4223513Packaging apparatus for forming specially shaped packages
Packaging apparatus for making hermetically sealed vacuum packages from two continuous webs of plastic packaging material supplied as roll stock. The lower web is formed into product receptacles, and the upper web is applied over the receptacles to serve ...
09/23/1980
4201030Packaging apparatus and techniques for forming closure tops
Packaging apparatus for making vacuum or gas-filled packages of the type including a flanged cup-shaped receptacle with a closure film sealed to the flanges and stretched down into the cup to engage and press against the product. The apparatus comprises a...
05/06/1980
4114348Packaging techniques for semi-rigid packages
A package comprising a receptacle cup of semi-rigid plastic having a top of semi-rigid plastic sealed to flanges of the receptacle and formed inwardly to press against the packaged product and hold it in place with or without evacuation of the interior. D...
09/19/1978
4085565Packaging apparatus for forming specially shaped packages
Packaging apparatus for making hermetically sealed vacuum packages from two continuous webs of plastic packaging material supplied as roll stock. The lower web is formed into product receptacles, and the upper web is applied over the receptacles to serve ...
04/25/1978
4055671Hermetically sealed package
A sealed package comprising a cup-shaped container of relatively heavy-gauge, semi-rigid (form-retaining) plastic, with a protective member of relatively stiff material over the opening. Between the container and the protective member is a hermetic sealin...
10/25/1977
4034536Packaging apparatus and techniques
Automatic packaging apparatus and methods for packaging food products such as bacon in evacuated or gas-filled packages. The disclosed machine is capable of convexly thermoforming two webs of packaging material into respective sets of pockets which are br...
07/12/1977
3972155Packaging techniques for semi-rigid packages
A method for packaging is disclosed including forming a semi-rigid plastic sheet into a receptacle, filling the formed receptacle with the product to be packaged and forming a semi-rigid plastic sheet into a recloseable cover over the packaged product....
08/03/1976
3958394Continuous movement packaging machine
A packaging machine for thermoforming plastic packages, filling them with the desired contents, and sealing them under vacuum or gas if desired, wherein a train of packages move through the machine in a horizontal path at substantially constant speed, the...
05/25/1976
 
Sign InRegister
Username  
Password   
forgot password?