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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4121694 |
Labyrinth lubricant seal for belt conveyor roll |
Oct. 24, 1978 |
| 4121693 |
Method and means relating to high rise building access for fire fighting purposes |
Oct. 24, 1978 |
| 4121692 |
Ladder tray |
Oct. 24, 1978 |
| 4121691 |
Composite inspection plate-step |
Oct. 24, 1978 |
| 4121690 |
Roofer's staging |
Oct. 24, 1978 |
| 4121689 |
Escape mechanism |
Oct. 24, 1978 |
| 4121688 |
Safety harness for limited mobility |
Oct. 24, 1978 |
| 4121687 |
Control system for hydraulic lifts |
Oct. 24, 1978 |
| 4121686 |
Hollow sound-dampened structure |
Oct. 24, 1978 |
| 4121685 |
Apparatus for controlling the traveling speed of a motor vehicle |
Oct. 24, 1978 |
| 4121684 |
Truck with tilting cab and non-tilting separated sleeping compartment |
Oct. 24, 1978 |
| 4121683 |
Noise silencer assembly |
Oct. 24, 1978 |
| 4121682 |
Radiator mounting of a vehicle, especially of a motor vehicle |
Oct. 24, 1978 |
| 4121681 |
Tractor with demountable components |
Oct. 24, 1978 |
| 4121680 |
Vehicles |
Oct. 24, 1978 |
| 4121679 |
Self-transporting support arrangement |
Oct. 24, 1978 |
| 4121678 |
Weighing scale with correction for non-linear spring |
Oct. 24, 1978 |
| 4121677 |
Clamping device for a coil spring of a weighing scale |
Oct. 24, 1978 |
| 4121676 |
Method of reducing hysteresis in a spring scale |
Oct. 24, 1978 |
| 4121675 |
Apparatus for gripping a shaft or the like |
Oct. 24, 1978 |
| 4121674 |
Method for foam drilling using a biodegradable foaming agent |
Oct. 24, 1978 |
| 4121673 |
Drilling and installation system |
Oct. 24, 1978 |
| 4121672 |
Reversing pneumatic percussive device |
Oct. 24, 1978 |
| 4121671 |
Pile driving |
Oct. 24, 1978 |
| 4121670 |
Impact wrench |
Oct. 24, 1978 |
| 4121669 |
Floating row-crop cultivator |
Oct. 24, 1978 |
| 4121668 |
Motor-driven cultivator with counter-rotating auger shafts |
Oct. 24, 1978 |
| 4121667 |
Potato harvester |
Oct. 24, 1978 |
| 4121666 |
Fuel (flammable liquid) tank fire extinguisher |
Oct. 24, 1978 |
| 4121665 |
Automatic sprinkler head |
Oct. 24, 1978 |
| 4121664 |
Biodegradable foaming agent in drilling and workover operations |
Oct. 24, 1978 |
| 4121663 |
Removing hydrogen sulfide from a gas |
Oct. 24, 1978 |
| 4121662 |
Water purification with fragmented oil shale |
Oct. 24, 1978 |
| 4121661 |
Viscous oil recovery method |
Oct. 24, 1978 |
| 4121660 |
Well pressure test plug |
Oct. 24, 1978 |
| 4121659 |
Collar lock and seal assembly for well tools |
Oct. 24, 1978 |
| 4121658 |
Pitless well adapter |
Oct. 24, 1978 |
| 4121657 |
Position indicator for downhole tool |
Oct. 24, 1978 |
| 4121656 |
Header |
Oct. 24, 1978 |
| 4121655 |
Air-conditioning system |
Oct. 24, 1978 |
| 4121654 |
Dry cooling tower |
Oct. 24, 1978 |
| 4121653 |
Method of constructing rooms with radiant heating or with cooling |
Oct. 24, 1978 |
| 4121652 |
Apparatus for separating a starter bar having a starter bar head from a hot strand crop-end in a... |
Oct. 24, 1978 |
| 4121651 |
Casting receptacle or ladle for moulded castings or various materials |
Oct. 24, 1978 |
| 4121650 |
Foundry casting machines |
Oct. 24, 1978 |
| 4121649 |
By-pass arrangement for battery grid casting machine |
Oct. 24, 1978 |
| 4121648 |
Apparatus for electroslag castings of semicircular blanks |
Oct. 24, 1978 |
| 4121647 |
Method of producing a multilayer metal ingot by the electro-beam remelting of billets |
Oct. 24, 1978 |
| 4121646 |
Method and apparatus for making molds |
Oct. 24, 1978 |
| 4121645 |
Room divider panel assembly |
Oct. 24, 1978 |
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